Siemens M20 Terminal Technical Description
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Siemens M20 Terminal Technical Description

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Cellular Engine
Siemens M20 / M20 Terminal
Technical Description
Data
Voice
SMS
FAX
V.24
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  • Page 1 Cellular Engine Siemens M20 / M20 Terminal Technical Description Data Voice V.24 How to use this book Table of contents Index...

  • Page 2: Table Of Contents

    Siemens Information and Communication Products How to use this book The following navigation tools are available in addition to the Acrobat Reader toolbar or short-cut menu (right mouse key): Click here when you see this hand. Table of contents Overview............................ 11 Safety precautions for the user....................
  • Page 3 5.5 AT Cellular commands to GSM 07.07................55 5.6 AT commands to GSM 07.05 for SMS ................93 5.7 Siemens-defined AT commands for enhanced functions..........111 5.8 Comparison between the MMI string commands and AT command ......138 5.9 Summary of CME - CMS Errors................... 139 6 Man Machine Interface 6.1 Overview...........................
  • Page 4 15 Technical data 15.1 Technical data of the M20 .................... 212 15.2 Design drawing of the M20................... 213 15.3 Design drawing of the M20 Terminal................214 16 AT commands sorted by functionality 16.1 Commands for Call Control..................217 16.2 Commands for network services and status information.......... 217 16.3 Commands for supplementary network services ............
  • Page 5 SIM card connection pins ..................199 Fig. 8-7 Handset connection ....................199 Fig. 9-1 Modular Cellular Engine Siemens M20 Terminal ..........202 Fig. 9-2 Front view of Western plug 6-6 (male) ..............203 Fig. 9-3 Front view of Western plug 4-4 (male) ..............204 Fig.
  • Page 6 Siemens Information and Communication Products Table 6-3 M20-specific MMI codes ..................144 Table 6-4 Languages for display text ..................144 Table 6-5 Value ranges ......................144 Table 6-6 Basic MMI codes in accordance with ETS 300-511 ..........145 Table 6-7 Teleservices ts ......................

  • Page 7: Overview

    SIEMENS AG customers using or selling these pro- ducts for use in such applications do so at their risk and agree to fully idemnify SIEMENS AG for any damages resulting from such improper use or sale.

  • Page 8: Safety Precautions For The User

    Please address all questions to a doctor or the manufacturer of the medical device. Precautions in the event of loss/theft of the Cellular Engine and the SIM card If your M20/M20 Terminal, your SIM card or both go missing, notify your network operator immediately in order to avoid misuse. Version 8 dated 15.03.00...

  • Page 9: General Product Description M20

    Note: Voltage supply: Voltage supply on connection must NOT rise faster than 3V/msec. Additional features are listed below. In addition to control via the serial interface, the Siemens M20 also offers the option of control by means of a connected keypad and display.

  • Page 10: Teleservices

    The Siemens M20 offers the following functions: Additional Features: • Dial tone The SIEMENS M20 provides no dial tone at all or two permanently defined types of dial tone, as selected. • Power management/backup routine • DTMF DTMF tones can be generated.

  • Page 11: Data Services

    Siemens Information and Communication Products General product description M20 Data services Terminal adapter (TA) – terminal equipment (TE) interface: RS232 compatible: Baud rates: 300, 1200, 2400, 4800, 9600, 19200, 28800, 38400 and 57600. No automatic baud rate adjustment. Default: 19200 (can be adjusted by AT+IPR).
  • Page 12 Siemens Information and Communication Products General product description M20 No Mnemonic Mobile station feature Ref. Available Available via AT+C via MMI Feat_SMoverflow Short message overflow indication GSM 02.07 5.7.1 Messages from the Short Message telephone service are saved on the SIM. The number of messages that can be saved depends on the SIM card used.

  • Page 13: Table 3-2 Mobile Station Features

    Siemens Information and Communication Products General product description M20 No Mnemonic Mobile station feature Ref. Available Available via AT+C via MMI 16 Feat_SMS_CB_DRX Short Message Service Cell Broadcast DRX GSM 02.07 – 5.5.1 DRX: discontinuous reception (mechanism). “AT+CSCB Select cell broadcast SMS messages”...

  • Page 14: Supplementary Mobile Station Features

    Siemens Information and Communication Products General product description M20 Supplementary mobile station features Abbrevia- Feature Reference Available Available tions via AT+C via MMI CLIP Calling Line Identification Presentation GSM 02.04 3.1 5.5.1 See “AT+CLIP Calling line identification presentati- on” CLIR Calling Line Identification Restriction GSM 02.04 3.1...

  • Page 15: System Requirements

    Siemens Information and Communication Products General product description M20 System requirements The M20 is designed for use in a system environment comprising a GSM900 mobile radio network with one or more net- work operators per country. A corresponding infrastructure for a configuration level suitable for the use of terminal de- vices with 2 watts transmitting power is a basic requirement.

  • Page 16: Hardware Interfaces

    Siemens Information and Communication Products Hardware interfaces Hardware interfaces Pin assignment of the 80-pole SMD connector The location of PIN 1 is shown in “Design drawing of the M20” Site on PCB Parallel display data bus Pin 1 Pin 80...

  • Page 17: Power Supply

    Siemens Information and Communication Products Hardware interfaces The interfaces are described in detail in Chapters 4.2 “Power supply” on page 17 4.3 “Interfaces on the 80-pole SMD connector” on page 17 4.4 “Audio interface” on page 25 Note: Unused pins •...

  • Page 18: Fig. 4-1 Timing Of Power On/Off Signals

    < 0.6 V is applied to IGNITION or the device is left disconnected. To turn off the M20, use the corre- sponding AT command (AT^SMSO, see Chapter 5.7 “Siemens-defined AT commands for enhanced functions” on page 111 Note: if IGNITION is connected to a fixed voltage > 1.3 V, the M20 cannot be turned off with an AT command.

  • Page 19: Fig. 4-2 Write Timing Of Display Interface

    Siemens Information and Communication Products Hardware interfaces 4.3.3 Display 12 Pins for connection of a dot display (2 lines x 16 columns) Signal Function Level Comments DCS# Chip select 2.8V may be disconnected if unused Address (A0) 2.8V may be disconnected if unused Data enable 2.8V...

  • Page 20: Table 4-3 Timing Values Of Display Interface

    Siemens Information and Communication Products Hardware interfaces Parameter Comment Min. Typ. Max. Units Write high byte to display enable high Display enable high width Display enable low width Display register select setup Display register select hold Display chipselect setup Display chipselect hold...
  • Page 21 Siemens Information and Communication Products Hardware interfaces General Note: 1) Signal levels on the M20T: 5-15V 2) Signal levels on the M20: 2,8 V 3) Crossing out of signal lines is done inside the M20T so that the M20T can be connected to the PC directly using a stan- dard non-crossover serial cable.
  • Page 22 DCE Signal M20 Signal M20 Pin No USCTX USCRX USCCTS USCRTS USCRI 4.3.6 Additional RX/TX interface This interface is reserved for Siemens development internal purposes. Signal Function Level Comments RXDATA Receive data 2.8 V if unused, connect to signal RES# TXDATA Transmit data 2.8 V...

  • Page 23: Fig. 4-4 Timing Characteristics Of Dai To Microcontroller

    Siemens Information and Communication Products Hardware interfaces VSFS_V Synchronisation 2.8V to codec VSCLK_V Clock 2.8V to codec VSDO_V Data output 2.8V to codec VSDI_V Data Input 2.8V to codec Note: data clock (VSCLK_C, VSCKL_V): 104 kHz, word length: 13 bits, synchronisation pulse rate (VSFS_C, VSFS_V): 8 kHz.

  • Page 24: Table 4-4 Timing Characteristics Of Dai

    Siemens Information and Communication Products Hardware interfaces VSDI hold time after VSCLK low VSDO delay after VSCLK high Table 4-4 Timing characteristics of DAI 4.3.8 SIM card interface In general the SIM interface is specified in GSM 11.11. Note: the M20 supports 3V SIM cards.

  • Page 25: Audio Interface

    Siemens Information and Communication Products Hardware interfaces Audio interface Signal Function Level Comments MICP Microphone plus Vpp(V): Differential input; must be AC-coupled; typ.: 1.0954 / F input resistance: 11–22 MΩ scale max.: 1.578 / F Note: may be disconnected if unused...

  • Page 26: Antenna Interface

    Siemens Information and Communication Products Hardware interfaces Antenna interface The antenna must satisfy the following electrical requirements: Frequency, TX 890-915 MHz Frequency, RX 935-960 MHz 50 Ω Impedance VSWR TX: max. 1.7:1 installed RX: max. 1.9:1 installed > 1.5dB referenced to λ/2 dipole...

  • Page 27: At Command Interface

    AT command interface The operating functions of M20 and M20 Terminal are implemented in the base unit in which the cellular engine is inte- grated. The corresponding functions are implemented in accordance with V.25ter, GSM 07.07 and GSM 07.05. AT+C commands conforming to GSM 07.07 and GSM 07.05 and a number of manufacturer-specific AT commands are availa-...

  • Page 28: Standard At Hayes Commands For Controlling The M20

    Siemens Information and Communication Products AT command interface Standard AT Hayes commands for controlling the M20 Command Function Repeat previous command line Page 29 +++pause Switch from data mode to command mode Page 29 Answer a call Page 30 Mobile originated call to dial a number and call of supplementary services Page 30 ATD><mem><n>...

  • Page 29: Table 5-1 Standard Hayes At Commands

    Siemens Information and Communication Products AT command interface Command Function AT%D Automatic dialling phone number in mem. "ME" index "1" with DTR Page 46 AT+DR V.42bis data compression reporting control Page 47 AT+DS V.42bis data compression control Page 48 AT+GCAP...
  • Page 30 Siemens Information and Communication Products AT command interface Answer a call Execute command Response TA causes remote station to go off- hook (i.e. answer call). Note1: any additional commands on the same command line are ignored. Note2: this command may be aborted generally by receiving a character during execution. This command cannot be aborted in some connection setup states, such as handshaking.
  • Page 31 Siemens Information and Communication Products AT command interface Execute command Response When <n> is a call string ATD<n>[;] TA attempts to set up an outgoing call. If error is related to ME functionality +CME ERROR: <err> If no dialtone and (parameter setting X=2 or X=4)
  • Page 32 Siemens Information and Communication Products AT command interface When <n> is a supplementary service string: TA attempts to call the supplementary service entered in dialled string. TA returns result of invoked supplementary service AT command. Parameter <n>: Functionality: Invoked supp.service:...
  • Page 33 Siemens Information and Communication Products AT command interface ATD><mem><n> Originate call to phone number <n> in memory <mem> Execute command Response TA attempts to set up an outgoing call to stored number. ATD><mem> e.g.: ATD>SM5; Voice call to number at position 5 on the SIM phonebook.
  • Page 34 Siemens Information and Communication Products AT command interface ATD><n> Originate call to phone number in current memory Execute command Response ATD><n>[<I>] TA attempts to set up an outgoing call to stored number. [<G>][;] The used memory is already selected with command +CPBS.
  • Page 35 Siemens Information and Communication Products AT command interface ATD><str> Originate call to phone number in memory with corresponding alphanum. field Execute command Response ATD><str>[I] TA attempts to set up an outgoing call to stored number. [G][;] All available memories are searched for the entry <str>, except LD, MC, RC.
  • Page 36 Siemens Information and Communication Products AT command interface ATDI Mobile originated call to dialable ISDN number <n> Execute command Response ATDI<n>[;] TA attempts to set up an outgoing call to ISDN number. Note: this command may be aborted generally by receiving a character during execution. This com- mand cannot be aborted in some connection setup states, such as handshaking.
  • Page 37 Siemens Information and Communication Products AT command interface ATDL Redial last telephone number used Execute command Response ATDL[;] TA attempts to set up an outgoing call to stored number. Note: this command may be aborted generally by receiving a character during execution. This com- mand cannot be aborted in some connection setup states, such as handshaking.
  • Page 38 Siemens Information and Communication Products AT command interface ATDS Dial stored phone number in ME-phonebook Execute command Response ATDS=<n>[;] TA attempts to set up an outgoing call to stored number. The phone number is searched in ME-phonebook "ME". Note: this command may be aborted generally by receiving a character during execution. This com- mand cannot be aborted in some connection setup states, such as handshaking.
  • Page 39 Siemens Information and Communication Products AT command interface Display product identification information Execute command Response ME issues product information text SIEMENS Revision: x.yy, DD.MM.YY HH:MM Explanation of "Revision" parameter: Version (x) and variant (y) of software release. Date and time of software production...
  • Page 40 Siemens Information and Communication Products AT command interface ATS0 Set number of rings before automatically answering the call Read command Response ATS0? <n> OK Set command Response ATS0=<n> This parameter setting determines the number of rings before automatic answering. Parameter <n>...
  • Page 41 Siemens Information and Communication Products AT command interface ATS4 Set response formatting character Read command Response ATS4? <n> OK Set command Response ATS4=<n> This parameter setting determines the character generated by the TA for result code and informati- on text.
  • Page 42 Siemens Information and Communication Products AT command interface ATS10 Set disconnect delay after indicating the absence of data carrier Read command Response ATS10? <n> OK Set command Response AT10=<n> This parameter setting determines the amount of time that the TA remains connected in absence of data carrier.

  • Page 43: At&C Set Circuit Data Carrier Detect (Dcd) Function Mode

    Siemens Information and Communication Products AT command interface Set CONNECT result code format and call monitoring Set command Response ATX[<value>] This parameter setting determines whether or not the TA detected the presence of dial tone and busy signal and whether or not TA transmits particular result codes Parameter <value>...

  • Page 44: At&D Set Circuit Data Terminal Ready (Dtr) Function Mode

    Siemens Information and Communication Products AT command interface AT&D Set circuit Data Terminal Ready (DTR) function mode Set command Response AT&D[<value>] This parameter determines how the TA responds when circuit 108/2 (DTR) is changed from ON to OFF during data mode.

  • Page 45: At&V Display Current Configuration

    Siemens Information and Communication Products AT command interface AT&V Display current configuration Execute command Response AT&V[<n>] TA returns the current parameter setting. ACTIVE PROFILE : E1 L0 M0 Q0 V1 X4; S0:1 S2:43 S3:13 S4:10 S5:8 S6:2 S7:60 S8:2 S10:15 S12:10 S13:60 S1:0...

  • Page 46: At&Z Store Telephone Number In Sim Fixdialling Memory "Fd

    Siemens Information and Communication Products AT command interface AT&Z Store telephone number in SIM fixdialling memory "FD" Execute command Response AT&Z<n>=<x> TA stores a dial string in ME non volatile memory "ME" at memory index <n>. Only digits and the characters "i" and "+" are stored.
  • Page 47 Siemens Information and Communication Products AT command interface AT+DR V.42bis data compression reporting control Test command Response AT+DR=? +DR: (list of supported <value>s) OK Parameter see set command Read command Response AT+DR? +DR: <value> OK Parameter see set command Set command Response AT+DR=<value...
  • Page 48 Siemens Information and Communication Products AT command interface AT+DS V.42bis data compression control Test command Response AT+DS=? +DS: (list of supported <p0>s), (list of supported <n>s), (list of supported <p1>s), (list of suppor- ted <p2>s) OK Parameter see set command...
  • Page 49 Siemens Information and Communication Products AT command interface AT+GMI Request manufacturer identification Test command Response AT+GMI=? Parameter Execute command Response AT+GMI TA reports one or more lines of information text which permit the user to identify the manufacturer. SIEMENS Parameter...
  • Page 50 Siemens Information and Communication Products AT command interface AT+GOI Request global object identification Test command Response AT+GOI=? Execute command Response AT+GOI TA reports one or more lines of information text which permit the user to identify the device, based on the ISO system for registering unique object identifiers.
  • Page 51 Siemens Information and Communication Products AT command interface AT+IFC Set TE-TA local data flow control Test command Response AT+IFC=? +IFC: (list of supported <dce_by_dte>s), (list of supported <dte_by_dce>s) OK Parameter see set command Read command Response AT+IFC? +IFC: <dce_by_dte>,<dte_by_dce> OK...
  • Page 52 Siemens Information and Communication Products AT command interface AT+ILRR Set TE-TA local rate reporting mode Test command Response AT+ILRR=? +ILRR: (list of supported <value>s) OK Parameter see set command Read command Response AT+ILRR? +ILRR: <value> OK Parameter see set command...
  • Page 53 Siemens Information and Communication Products AT command interface AT+IPR Set fixed local rate Test command Response AT+IPR=? +IPR: (list of supported auto-detectable <rate>s), (list of supported fixed-only <rate>s) OK Parameter see set command Note: )1) M20 has no Autobauding, therefore only the second list is presented.

  • Page 54: At Commands And Responses To Gsm 07.07 And Gsm 07.05

    Siemens Information and Communication Products AT command interface AT commands and responses to GSM 07.07 and GSM 07.05 Test command AT+CXXX=? The mobile equipment returns the list of parameters and value ranges set with the corresponding set command or by internal processes.

  • Page 55: At Cellular Commands To Gsm 07.07

    Siemens Information and Communication Products AT command interface AT Cellular commands to GSM 07.07 5.5.1 List of commands Commands according to Function GSM 07.07 AT+CACM Accumulated call meter (ACM) reset or query Page 56 AT+CAMM Accumulated call meter maximum (ACMmax) set or query...

  • Page 56: At+Cacm Accumulated Call Meter (Acm) Reset Or Query

    Siemens Information and Communication Products AT command interface AT+FMI FAX: report manufactured ID Page 89 AT+FMM FAX: report model ID Page 89 AT+FMR FAX: report revision ID Page 90 AT+VGR Receive gain selection of speaker Page 90 AT+VGT Transmit gain selection of microphone...
  • Page 57 Siemens Information and Communication Products AT command interface AT+CAMM Accumulated call meter maximum (ACMmax) set or query Test command Response AT+CAMM=? Parameter Read command Response AT+CAMM? TA returns the current ACMmax value. +CAMM: <acmmax> OK If error is related to ME functionality: +CME ERROR: <err>...

  • Page 58: At+Caoc Advice Of Charge Information

    Siemens Information and Communication Products AT command interface AT+CAOC Advice of Charge information Test command Response AT+CAOC=? +CAOC: list of supported <mode>s OK Parameter see execute command Read command Response AT+CAOC? +CAOC: <mode> OK Parameter see execute command Execute command...
  • Page 59 Siemens Information and Communication Products AT command interface AT+CBST Select Bearer Service Type Test command Response AT+CBST=? +CBST: (list of supported <speed>s), (list of supported <name>s), (list of supported <ce>s) Parameter see set command Read command Response AT+CBST? +CBST: <speed>,<name>,<ce>...
  • Page 60 Siemens Information and Communication Products AT command interface AT+CCFC Call forwarding number and conditions control Test command Response AT+CCFC=? +CCFC: (list of supported <reas>s) OK Parameter see execute command Execute command Response AT+CCFC = TA controls the call forwarding supplementary service. Registration, erasure, activation, deactiva- <reas>, <mode>...
  • Page 61 Siemens Information and Communication Products AT command interface AT+CCUG Closed user group control Test command Response AT+CCUG=? Parameter Read command Response AT+CCUG? +CCUG: <n>,<index>,<info> OK If error is related to ME functionality: +CME ERROR: <err> Parameter see set command Set command Response AT+CCUG=[<n>]...
  • Page 62 Siemens Information and Communication Products AT command interface AT+CCWA Call waiting control Test command Response AT+CCWA=? +CCWA: (list of supported <n>s) OK Parameter see set command Read command Response AT_CCWA? +CCWA: <n> OK Parameter see set command Execute command Response AT+CC- TA controls the call waiting supplementary service.

  • Page 63: At+Ceer Extended Error Report

    Siemens Information and Communication Products AT command interface AT+CEER Extended error report Test command Response AT+CEER=? Execute command Response AT+CEER TA returns an extended report of the reason for the last call release. +CEER: <report> OK Parameter <report> Reason for last call release as number code...

  • Page 64: At+Cgsn Request Product Serial Number Identification (Imei) Identical To Gsn

    Siemens Information and Communication Products AT command interface AT+CGSN Request product serial number identification (IMEI) identical to GSN Test command Response AT+CGSN=? Execute command Response AT+CGSN TA returns identification text for determination of the individual ME. <sn> OK Parameter <sn>...
  • Page 65 Siemens Information and Communication Products AT command interface AT+CIMI Request international mobile subscriber identity Test command Response AT+CIMI=? Execute command Response AT+CIMI TA returns <IMSI> for identifying the individual SIM which is attached to ME. <IMSI> OK If error is related to ME functionality: +CME ERROR: <err>...

  • Page 66: At+Clck Facility Lock

    Siemens Information and Communication Products AT command interface AT+CLCK Facility lock Test command Response AT+CLCK=? +CLCK: (list of supported <fac>s) OK Parameter see execute command Execute command Response AT+CLCK = This command is used to lock, unlock or interrogate a ME or a network facility <fac>. Password is normally needed for such actions.
  • Page 67 Siemens Information and Communication Products AT command interface AT+CLIP Calling line identification presentation Test command Response AT+CLIP=? +CLIP: (list of supported <n>s) OK Parameter see set command Read command Response AT+CLIP? +CLIP: <n>, <m> OK If error is related to ME functionality: +CME ERROR: <err>...
  • Page 68 Siemens Information and Communication Products AT command interface AT+CLIR Calling line identification restriction Test command Response AT+CLIR=? +CLIR: (list of supported <n>s) OK Parameter see set command Read command Response AT+CLIR? +CLIR: <n>, <m> OK If error is related to ME functionality: +CME ERROR: <err>...
  • Page 69 Siemens Information and Communication Products AT command interface AT+COLP Connected line identification presentation Test command Response +COLP: (list of supported <n>s) OK AT+COLP=? Parameter see set command Read command Response AT+COLP? +COLP: <n>,<m> OK Parameter see set command Set command TA enables or disables the presentation of the COL (connected line) at the TE at a mobile origina- AT+COLP=[<n>]...
  • Page 70 Siemens Information and Communication Products AT command interface AT+COPS Operator selection Test command Response AT+COPS=? TA returns a list of quadruplets, each representing an operator present in the network. Any of the formats may be unavailable and should then be an empty field. The list of operators shall be in the following order: home network, networks referenced in SIM, and other networks.
  • Page 71 Siemens Information and Communication Products AT command interface AT+CPAS Mobile equipment activity status Test command Response AT+CPAS=? +CPAS: (list of supported <pas>s) OK Parameter see execute command Execute command Response AT+CPAS TA returns the activity status of ME. +CPAS: <pas> OK Parameter <pas>...
  • Page 72 Siemens Information and Communication Products AT command interface AT+CPBR Read current phonebook entries Test command Response AT+CPBR=? TA returns location range supported by the current storage as a compound value and the maximum lengths of <number> and <text> fields. Note: In case of SIM storage, the lengths may not be available.
  • Page 73 Siemens Information and Communication Products AT command interface AT^SPBA Browse the phonebook alphabetically Test command Response AT^SPBA=? ^SPBA: <nlength>,<tlength> OK If error is related to ME functionality: +CME ERROR: <err> Execute command Response AT^SPBA= TA returns three phonebook entries in alphabetical order.
  • Page 74 Siemens Information and Communication Products AT command interface AT+CPBS Select phonebook memory storage Test command Response AT+CPBS=? +CPBS: (list of supported <storage>s) OK Parameter see set command Read command Response AT+CPBS? TA returns currently selected memory +CPBS: <storage> OK Parameter...
  • Page 75 Siemens Information and Communication Products AT command interface AT^SPBS Steps the selected phonebook alphabetically Test command Response AT^SPBS=? ^SPBS: (list of supported <value>s) Parameter see execute command Execute command Parameter AT^SPBS= <va- <value> 1 to make a step downward in the alphabetically sorted phonebook lue>...
  • Page 76 Siemens Information and Communication Products AT command interface AT+CPBW Write phonebook entry Test command Response AT+CPBW=? TA returns location range supported by the current storage, the maximum length of <number> field, supported number formats of the storage, and the maximum length of <text> field.
  • Page 77 Siemens Information and Communication Products AT command interface AT+CPIN Enter PIN Test command Response AT+CPIN=? Read command Response AT+CPIN? TA returns an alphanumeric string indicating whether some password is required or not. +CPIN: <code> OK If error is related to ME functionality: +CME ERROR: <err>...
  • Page 78 “AT+CPWD Change password” on page 79 “AT^SLCK Facility lock (including self-defined locks)” on page 116 “AT^SPWD Change password for a lock (including Siemens-defined locks)” on page 130 “AT+CPUC Price per unit and currency table” on page 80 AT+CPBW is the only command, which PIN2 cannot be entered directly with.
  • Page 79 Siemens Information and Communication Products AT command interface AT+CPWD Change password Test command Response AT+CPWD=? TA returns a list of pairs which present the available facilities and the maximum length of their password. +CPWD: list of supported (<fac>, <pwdlength>)s OK Parameter <fac>...
  • Page 80 Siemens Information and Communication Products AT command interface AT+CPUC Price per unit and currency table Test command Response AT+CPUC=? Read command Response AT+CPUC? Read Command returns the current parameters of PUCT. +CPUC: <currency>, <ppu> OK If error is related to ME functionality: +CME ERROR: <err>...
  • Page 81 Siemens Information and Communication Products AT command interface AT+CRLP Select radio link protocol param. for orig. non-transparent data call Test command Response AT+CRLP=? TA returns values supported by the TA as a compound value. If ME/TA supports several RLP ver- sions <verx>, the RLP parameter value ranges for each <verx>...
  • Page 82 Siemens Information and Communication Products AT command interface AT+CRC Set Cellular Result Codes for incoming call indication Test command Response AT+CRC=? +CRC: list of supported <mode>s OK Parameter see set command Read command Response AT+CRC? +CRC: <mode> OK Parameter see set command...
  • Page 83 Siemens Information and Communication Products AT command interface AT+CR Service reporting control Test command Response AT+CR=? +CR: list of supported <mode>s OK Parameter see set command Read command Response AT+CR? +CR: <mode> OK Parameter see set command Set command Response AT+CR=<mode>...
  • Page 84 Siemens Information and Communication Products AT command interface AT+CREG Network registration Test command Response AT+CREG=? +CREG: (list of supported <n>s) OK Parameter see set command Read command Response AT+CREG? TA returns the status of result code presentation and an integer <stat> which shows whether the network has currently indicated the registration of the ME.
  • Page 85 Siemens Information and Communication Products AT command interface AT+CRSM Restricted SIM access Test command Response AT+CRSM=? Set command Response AT+CRSM=<com By using this command instead of generic SIM Access TE application has easier but more limited mand>[,<fileid> access to the SIM database. As response to the command, ME sends the actual SIM information [,<P1>,<P2>,<P3>...
  • Page 86 Siemens Information and Communication Products AT command interface AT+CSCS Select TE character set. Test command Response AT+CSCS=? +CSCS: list of supprted <chset>s Parameter see set command Read command Response AT+CSCS? TA returns current setting of conversion scheme. +CSCS: <chset> Parameter...
  • Page 87 Siemens Information and Communication Products AT command interface AT+CSQ Signal quality Test command Response AT+CSQ=? +CSQ: (list of supported <rssi>s), (list of supported <ber>) OK Parameter see execute command Execute command Response AT+CSQ TA returns received signal strength indication <rssi> and channel bit error rate <ber> from the ME.
  • Page 88 Siemens Information and Communication Products AT command interface AT+CUSD Unstructured supplementary service data Test command Response AT+CUSD=? +CUSD: (list of supported <n>s) OK Parameter see set command Read command Response AT+CUSD? TA returns the parameter unsolicited result code presentation mode.
  • Page 89 Siemens Information and Communication Products AT command interface AT+FCLASS Fax: select, read or test service class Test command Response AT+FCLASS=? +FCLASS: (list of supported <n>s) OK Parameter see set command Read command Response AT+FCLASS? +FCLASS: <n> OK Parameter see set command...
  • Page 90 Siemens Information and Communication Products AT command interface AT+FMR Fax: report revision ID Test command Response AT+FMR=? Read command Response AT+FMR TA reports one or more lines of information text which permit the user to identify the version, re- vision level or data or other information of the device.
  • Page 91 Siemens Information and Communication Products AT command interface AT+VGT Transmit gain selection of microphone Test command Response AT+VGT=? +VGT: (list of supported <n>) OK Parameter see set command Read command Response AT+VGT? +VGT: <n> OK Note this command may only be used with (AT^SNFS=3) audio mode 3.
  • Page 92 Siemens Information and Communication Products AT command interface AT+VTS DTMF and tone generation (<Tone> in {0-9, *, #, A, B, C, D}) Test command Response AT+VTS=? +VTS: (list of supported <dtmf>s, (list of supported <duration>s) OK Note: In GSM the value of tone duration is preset and cannot be altered. therefore the <duration>...

  • Page 93: At Commands To Gsm 07.05 For Sms

    Siemens Information and Communication Products AT command interface AT commands to GSM 07.05 for SMS 5.6.1 List of commands Commands according to Function GSM 07.05 AT+CMGD Delete SMS message Page 93 AT+CMGF Select SMS message format Page 94 AT+CMGL List SMS messages from preferred store...

  • Page 94: Table 5-3 At Commands According To Gsm 07.05

    Siemens Information and Communication Products AT command interface AT+CMGF Select SMS message format Test command Response AT+CMGF=? +CMGF: (list of supported <mode>s) OK Parameter see set command Read command Response AT+CMGF? +CMGF: <mode> OK Parameter see set command Set command...
  • Page 95 Siemens Information and Communication Products AT command interface Response 1) If text mode (+CMGF=1) and command successful: for SMS-SUBMITs and/or SMS-DELIVERs: +CMGL: <index>,<stat>,<oa/da>,[<alpha>],[<scts>][,<tooa/toda>, <length>]<CR><LF><data>[<CR><LF> +CMGL: <index>,<stat>,<da/oa>,[<alpha>],[<scts>][,<tooa/toda>, <length>]<CR><LF><data>[...]] OK for SMS-STATUS-REPORTs: +CMGL: <index>,<stat>,<fo>,<mr>,[<ra>],[<tora>],<scts>,<dt>,<st> [<CR><LF> +CMGL: <index>,<stat>,<fo>,<mr>,[<ra>],[<tora>],<scts>,<dt>,<st> [...]] OK for SMS-COMMANDs: +CMGL: <index>,<stat>,<fo>,<ct>[<CR><LF>...
  • Page 96 Siemens Information and Communication Products AT command interface Parameter <length> integer type value indicating in the text mode (+CMGF=1) the length of the message body <data> (or <cdata>) in characters; or in PDU mode (+CMGF=0), the length of the actual TP data unit in octets (i.e. the RP layer SMSC address octets are not counted in the length) <index>...

  • Page 97: At+Cmgr Read Sms Message

    Siemens Information and Communication Products AT command interface AT+CMGR Read SMS message Test command Response AT+CMGR=? Parameter Execute command Parameter AT+CMGR= <index> integer type; value in the range of location numbers supported by the associated me- <index> mory Response TA returns SMS message with location value <index> from message storage <mem1> to the TE.
  • Page 98 Siemens Information and Communication Products AT command interface Parameter -if <dcs> indicates that GSM 03.38 default alphabet is used and <fo> indicates that GSM 03.40 TP-User-Data-Header-Indication is not set: ME/TA converts GSM alphabet into cur- rent TE character set according to rules covered in Annex A -if <dcs>...
  • Page 99 Siemens Information and Communication Products AT command interface <pid> GSM 03.40 TP-Protocol-Identifier in integer format (default 0) <ra> GSM 03.40 TP-Recipient-Address Address-Value field in string format; BCD num- bers (or GSM default alphabet characters) are converted to characters of the currently selected TE character set (refer command );...

  • Page 100: At+Cmgs Send Sms Message

    Siemens Information and Communication Products AT command interface AT+CMGS Send SMS message Test command Response AT+CMGS=? Parameter Execute command Response 1) If text mode TA transmits SMS message from a TE to the network (SMS-SUBMIT). Message reference value (+CMGF=1): <mr> is returned to the TE on successful message delivery. Value can be used to identify message upon unsolicited delivery status report result code.

  • Page 101: At+Cmgw Write Sms Message To Memory

    Siemens Information and Communication Products AT command interface AT+CMGW Write SMS message to memory Test command Response AT+CMGW=? Parameter Execute command Response 1) If text mode TA transmits SMS message (either SMS-DELIVER or SMS-SUBMIT) from TE to memory stora- (+CMGF=1): ge <mem2>.

  • Page 102: At+Cmss Send Sms Message From Storage

    Siemens Information and Communication Products AT command interface AT+CMSS Send SMS message from storage Test command Response AT+CMSS=? Parameter Execute command Response +CMSS= TA sends message with location value <index> from message storage <mem2> to the network <index>[,<da> (SMS-SUBMIT or SMS-COMMAND). If new recipient address <da> is given for SMS-SUBMIT, [,<toda>]]...
  • Page 103 Siemens Information and Communication Products AT command interface AT+CNMI New SMS message indications Test command Response AT+CNMI=? +CNMI: (list of supported <mode>s), (list of supported <mt>s), (list of supported <bm>s), (list of supported <ds>s), (list of supported <bfr>s) OK Parameter...
  • Page 104 Siemens Information and Communication Products AT command interface <bm> (the rules for storing received CBMs depend on the relevant data coding method (re- fer to GSM 03.38 [2]), the setting of Select CBM Types (+CSCB) and this value: No CBM indications are routed to the TE.
  • Page 105 Siemens Information and Communication Products AT command interface AT+CPMS Preferred SMS message storage Test command Response AT+CPMS=? +CPMS: (list of supported <mem1>s),(list of supported <mem2>s),(list of supported <mem3>s) Parameter see set command Read command Response AT+CPMS? +CPMS: <mem1>,<used1>,<total1>,<mem2>,<used2>,<total2>, <mem3>,<used3>,<total3> If error is related to ME functionality:...
  • Page 106 Siemens Information and Communication Products AT command interface AT+CSAS Save SMS settings Test command Response AT+CSAS=? +CSAS: (list of supported <profile>s) OK Parameter Execute command Response AT+CSAS[= TA saves current message service settings for +CSCA, +CSMP to SIM card. <profile>] If error is related to ME functionality: +CMS ERROR:<err>...
  • Page 107 Siemens Information and Communication Products AT command interface Set command Response AT+CSCB= TA selects which types of CBMs are to be received by the ME. [<mode>[,mids> [,<dcss>]]] Parameter <mode> message types specified in <mids> and <dcss> are accepted message types specified in <mids> and <dcss> are not accepted <mids>...

  • Page 108: At+Cnmi New Sms Message Indications

    Siemens Information and Communication Products AT command interface Reference Note GSM 07.05 The CB SMS may be output in text or PDU format. The output format is set with the command “AT+CMGF Select SMS message format” on page 94 Message identifiers (MI) over 999 are intended for telemetric applications. These CB SMS are not stored permanently in the module, but are sent to the TE directly - taking account of the parameter <bm>...
  • Page 109 Siemens Information and Communication Products AT command interface AT+CSMP Set SMS text mode parameters Test command Response AT+CSMP=? Read command Response AT+CSMP? +CSMP:<fo>,<vp>,<pid>,<dcs> OK Parameter see set command Set command Response AT+CSMP= TA selects values for additional parameters needed when SM is sent to the network or placed in a [<fo>[<vp>[,pid>[,...
  • Page 110 Siemens Information and Communication Products AT command interface Reference Note GSM 07.05 Version 8 dated 15.03.00...

  • Page 111: Siemens-Defined At Commands For Enhanced Functions

    Read entry from the preferred operator list Page 127 AT^SPLW Write an entry to the preferred operator list Page 128 AT^SPWD Change password for a lock (including Siemens-defined locks) Page 130 AT^SRTC Select, query or test ringing tone Page 131 AT^MONI...
  • Page 112 Siemens Information and Communication Products AT command interface Read command Response AT^SACM TA returns the Advice of Charge supplementary service function mode and the SIM values for ac- cumulated call meter (ACM) and accumulated call meter maximum (ACMmax). ^SACM: <n>,<acm>,<acm_max> OK If error is related to ME functionality: +CME ERROR: <err>...
  • Page 113 Siemens Information and Communication Products AT command interface AT^SCID Display SIM card identification number Test command Response AT^SCID=? Parameter Execute command Response AT^SCID TA returns the card identification number in SIM (SIM file EF ICCID, see GSM 11.11 Chapter 10.1.1).
  • Page 114 Siemens Information and Communication Products AT command interface AT^SCNI List Call Number Information Test command Response AT^SCNI=? Execute command Response AT^SCNI TA returns a list of current calls of ME. [^SCNI: <id1>[,<cs>[,<number>,<type>]]] [^SCNI: <id2>[,<cs>[,<number>,<type>]]] [...] OK If error is related to ME functionality: +CME ERROR: <err>...
  • Page 115 Siemens Information and Communication Products AT command interface AT^SFPCS Far party call status Test command Response AT^SFPCS=? Read command Response AT^SFPCS? ^SFPCS: <mode> Parameter <mode> 0 or 1 representing the setting of unsolicited result code presentation. Set command Response AT^SFPCS=<mo- Set the presentation of unsolicited result codes or query status of current calls.
  • Page 116 Siemens Information and Communication Products AT command interface AT^SLCK Facility lock (including self-defined locks) Test command Response AT^SLCK=? ^SLCK: (list of supported <fac>s) OK Parameter see execute command Execute command Response AT^SLCK = This command is used to lock, unlock or interrogate a ME or a network facility <fac>. Password is <fac>, <mode>...
  • Page 117 Siemens Information and Communication Products AT command interface Reference Note GSM 07.07: AT+CLCK Version 8 dated 15.03.00...
  • Page 118 Siemens Information and Communication Products AT command interface AT^SMGL List SMS messages from preferred storage without changing status to read Test command Response AT^SMGL=? see set command “AT+CMGL List SMS messages from preferred store” Parameter see command “AT+CMGL List SMS messages from preferred store”...
  • Page 119 Siemens Information and Communication Products AT command interface AT^SMGR Read SMS message without set to REC READ Test command Response AT^SMGR Execute command Parameter AT^SMGR= <index> integer type; value in the range of location numbers supported by the associated me- <index>...
  • Page 120 Siemens Information and Communication Products AT command interface Parameter -if <dcs> indicates that GSM 03.38 default alphabet is used and <fo> indicates that GSM 03.40 TP-User-Data-Header-Indication is not set: ME/TA converts GSM alphabet into cur- rent TE character set according to rules covered in Annex A -if <dcs>...
  • Page 121 (default 167) or in time-string format (refer <dt>) Reference Note GSM 07.05 The AT^SMGR command is a specific Siemens command with the same syntax as “AT+CMGR . The only difference is that the SMS Message, which has REC_UNREAD sta- Read SMS message”...
  • Page 122 Siemens Information and Communication Products AT command interface AT^SMSO Switch off mobile station turn off Test command Response AT^SMSO=? Execute command Response AT^SMSO Device switches off immediately (max. deactivation time 1.5 s–6 s) Note1: the IGNITION signal is checked every 100 ms. If the signal goes LOW, another two checks are performed at 100 ms intervals to ascertain whether the signal remains LOW.
  • Page 123 Siemens Information and Communication Products AT command interface AT^SNFE Set or query echo parameters Test command Response AT^SNFE=? ^SNFE: (list of supported < voxGain >s), (list of supported < minMicEnergy >s), (list of suppor- ted < samplesSilencePeriod >s), (list of supported < continueSuppressPeriod >s) OK...
  • Page 124 Siemens Information and Communication Products AT command interface AT^SNFI Set microphone path parameters Test command Response AT^SNFI=? ^SNFI: (list of supported <inBbcGain>s), (list of supported <inCalibrate>s) OK Parameter see set command Read command Response AT^SNFI? ^SNF: < inBbcGain >, <inCalibrate> OK...
  • Page 125 Siemens Information and Communication Products AT command interface AT^SNFO Set or query of audio output (= loudspeaker path) parameters Test command Response AT^SNFO=? ^SNFO: (list of supported <outBbcGain>), (list of supported <outCalibrate>s), (list of supported <speechVol>), (list of supported <sideTone>s) OK...
  • Page 126 Siemens Information and Communication Products AT command interface AT^SNFS Select audio hardware set Test command Response AT^SNFS=? ^SNFS: (list of supported <n>s) OK Parameter see set command Read command Response AT^SNFS? ^SNFS: <n> OK Parameter see set command Set command Response AT^SNFS=<n>...
  • Page 127 Siemens Information and Communication Products AT command interface Test command Response AT^SPLM=? Parameter Execute command Response AT^SPLM TA returns the list of operator names from the ME. Each operator code <numericn> that has an alphanumeric equivalent <alphan> in the ME memory is returned.
  • Page 128 Siemens Information and Communication Products AT command interface AT^SPLW Write an entry to the preferred operator list Test command Response AT^SPLW=? TA returns the whole index range supported by the SIM. ^SPLW: (list of supported <index>s) OK If error is related to ME functionality: +CME ERROR: <err>...
  • Page 129 Siemens Information and Communication Products AT command interface AT^SPWC List password counter Execute command Response AT^SPWC TA returns the number of attempts still available for entering the required password. ^SPWC: <code> <counter> If facility locks are disabled: ^SPWC: SIM PIN 3...
  • Page 130 Siemens Information and Communication Products AT command interface AT^SPWD Change password for a lock (including Siemens-defined locks) Test command Response AT^SPWD=? ^SPWD: (list of supported (<fac>, <pwdlength>)s) OK Parameter <fac> see execute command <pwdlength> integer max. length of password Execute command...
  • Page 131 Siemens Information and Communication Products AT command interface AT^SRTC Select, query or test ringing tone Test command Response AT^SRTC=? ^SRTC: (list of supported <type>s), (list of supported <vol>s) OK Parameter see set command Read command Response AT^SRTC? ^SRTC: <type>, <vol> <stat>OK Parameter <stat>...
  • Page 132 Siemens Information and Communication Products AT command interface Reference Note Version 8 dated 15.03.00...
  • Page 133 Siemens Information and Communication Products AT command interface AT^MONI Monitor idle mode and dedicated mode Test command Response AT^MONI[=<peri- See execute command od>] Command is broken by any character sent to serial port Parameter <period>Display period in seconds Execute command...
  • Page 134 Siemens Information and Communication Products AT command interface AT^SSET Set some unsolicited result codes Test command Response AT^SSET=? Read command Response AT^SSET? ^SSET: <SIM ready> Parameter <SIM ready> 0 or 1 representing the setting of unsolicited result code presentation. Set command Response AT^SSET = [<SIM...
  • Page 135 Siemens Information and Communication Products AT command interface AT^MONP Monitor neighbour cells Test command Response AT^MONP[=<pe- See execute command riod>] Command is broken by any character sent to serial port Parameter <period>Display period in seconds Execute command Response AT^MONP chann rs...
  • Page 136 Siemens Information and Communication Products AT command interface AT^SMONC Cell Monitoring Test command Response AT^SMONC=? If error is related to ME functionality: +CME ERROR: <err> Parameter Execute command Response AT^SMONC ^SMONC: 232,03,3010,4EAF,32,82,38,30,30,232,03,3010,0000,36,88,26,18,18,232,03,3 010,4EC3,32,112,23,15,15,232,03,3010,4BDA,34,90,17,9,9,232,03,3010,0000, 32,99,15,7,7,232,03,2010,00C0,35,113,9,1,1,232,03,3520,0000,32,85,8,0,0 If error is related to ME functionality: +CME ERROR: <err>...
  • Page 137 Siemens Information and Communication Products AT command interface Execute command Response AT+CXXCID TA returns the card identification number in SIM (SIM file EF ICCID, see GSM 11.11 Chap.10.1.1) as string type. see ^SCID Parameter see ^SCID Reference Note GSM Engine A1: ^SCID Version 8 dated 15.03.00...

  • Page 138: Comparison Between The Mmi String Commands And At Command

    Siemens Information and Communication Products AT command interface Comparison between the MMI string commands and AT command Feature AT Command Remark Presentation of IMEI *#06# “AT+CGSN Request product In the case of MMI, this com- serial number identification mand is called without SEND.

  • Page 139: Summary Of Cme - Cms Errors

    GSM 04.11 Annex E-2 values, see CMS ERROR codes related GSM 07.07 128...255 GSM 03.40 subclause 9.2.3.22 values 512... see CMS ERROR codes related to Siemens-defined commands 5.9.2 Summary of CME ERRORS related to GSM 07.07 Code of <err> Meaning...
  • Page 140 Siemens Information and Communication Products AT command interface network subset personalization PUK required service provider personalization PIN required service provider personalization PUK required corporate personalization PIN required corporate personalization PUK required unknown Note: all other values below 256 are reserved.

  • Page 141: Table 5-5 Summary Of Cms Errors

    Siemens Information and Communication Products AT command interface 5.9.4 Summary of CMS ERRORS related to Siemens-defined commands Code of <err> Meaning 0...127 GSM 04.11 Annex E-2 values, see CMS ERROR codes related to GSM 07.07 128...255 GSM 03.40 subclause 9.2.3.22 values 300...511...

  • Page 142: Man Machine Interface

    Overview The Siemens M20 can be operated either via an MMI or with AT+C commands. One interface only should be used at any given time. Simultaneous operation of both interfaces has not been provided for although no algorithm preventing simul- taneous operation of both interfaces exists.

  • Page 143: Additional Display Information

    Siemens Information and Communication Products Man Machine Interface Additional display information In addition to test messages, there are display fields on the right-hand side of the display that are shown irrespective of the operating statuses: Area for text messages (2 lines with 12 characters each) Fig.

  • Page 144: Table 6-3 M20-Specific Mmi Codes

    Siemens Information and Communication Products Man Machine Interface The following user defined settings or queries are activated or configured with M20-specific MMI codes: Feature Code Network selection list 01763 Language for display texts 01763 language# Timeout for automatic signal transmission...

  • Page 145: Table 6-6 Basic Mmi Codes In Accordance With Ets 300-511

    Siemens Information and Communication Products Man Machine Interface Feature To activate To cancel To confirm status CLIR 31#<SEND> #31#<SEND> #31#<SEND> Call forwarding phoneNo#<SEND> ##21#<SEND> #21#<SEND> Unconditional phoneNo ts#<SEND> ts#<SEND> ts#<SEND> ##21 Call forwarding on mobile phoneNo#<SEND> ##67#<SEND> #67#<SEND> Subscriber busy phoneNo ts#<SEND>...

  • Page 146: Mmi Functions

    Siemens Information and Communication Products Man Machine Interface MMI functions Logical display messages are written in square brackets: e. g: [Network operator] appears as ‘A max.’, for example, on the display. Key messages are written in angle brackets: e.g. <DIAL>.
  • Page 147 Siemens Information and Communication Products Man Machine Interface Clear down before answer Event Display text: 1 line Remark Display text: 2 line Call Incoming Call [Dial] Disconnect Call miss Calling party clears down the call [Dial] Handset call functions – Outgoing seizure 6.5.3...
  • Page 148 Siemens Information and Communication Products Man Machine Interface Automatic signal transmission Event Display text: 1 line Remark Display text: 2 line Off-hook Display is deleted on first key input Proceed-to-signal tone on Dial [Dial] After the first digit: proceed-to-signal tone off...
  • Page 149 Siemens Information and Communication Products Man Machine Interface Called party rejects call Event Display text: 1 line Remark Display text: 2 line Alerting [Dial] PLMN signal Call Dropped On-hook [Idle display] Outgoing seizure: Event Display text: 1 line Remark Display text: 2...
  • Page 150 Siemens Information and Communication Products Man Machine Interface 6.5.6 Checking abbreviated dialling keys An abbreviated dialling key can be checked in the following call processing terminal statuses: • idle status (handset is on-hook) • after off-hook • when a call is in progress The abbreviated dialling key must be held down until the saved call number appears on the display (approx.1 second).
  • Page 151 Siemens Information and Communication Products Man Machine Interface 6.5.11 Call forwarding This is activated by the user with a code and password (see Chapter 6.4 “MMI features and user-defined settings” on page 143 • Call forwarding, unconditional • Call forwarding on mobile subscriber busy •...

  • Page 152: Table 6-9 Service Indicator Display

    Siemens Information and Communication Products Man Machine Interface 6.5.14 Deleting an SMS message A displayed message is deleted by holding down the SMS key until an acoustic signal indicating the deletion is heard. The next message is displayed. If there are no more messages saved, the original display appears and the message indicator is deleted.

  • Page 153: Power Supply Indicator

    Siemens Information and Communication Products Man Machine Interface 6.5.17 Network selection Automatic selection (default setting): A network is automatically selected on insertion of the SIM card and when the M20 is activated. Manual selection: All possible network operators can be shown on the display by using the code *01763*11#. The keys <+> and <-> (or <Cursor up>) are used to scroll up and down the list.

  • Page 154: Peripheral Devices

    Peripheral devices The peripheral devices listed in this chapter are necessary for appropriate operation of the M20 or M20 Terminal. Directly connected display and keypad are not required if you are only using the M20 via an AT command interface.

  • Page 155: Fig. 7-2 Mini Sim Card Reader (C707-1)

    Siemens Information and Communication Products Peripheral devices Mini SIM card reader 1 Amphenol-Tuchel Electronics GmbH August-Häusser-Strasse 10 D-74080 Heilbronn Tel.: +49 (0)7131 / 929 -0 Fax: +49 (0)7131 / 929 -486 – Product no.: C 707-1 (height 3.0 mm, with/without chipcard inserted – switch) –...

  • Page 156: Sim Cards

    Siemens Information and Communication Products Peripheral devices SIM cards • The following services can only be implemented if they are enabled for the subscriber (multi-numbering: each of the services has its own calling number): 1) Calling number for speech and SMS...

  • Page 157: Sources For Connectors

    Siemens Information and Communication Products Peripheral devices Sources for connectors Note: all order numbers given in this chapter refer to matching connectors for the M20. The 80-pole SMD connector or- dered using the number provided shall be mounted on the PCB of the base unit to which the M20 is connected.

  • Page 158: Keypad

    Siemens Information and Communication Products Peripheral devices cification (GSM 0338(EPS) 300-628) can be used. In addition, the timing requirements and electrical specifications out- lined in Chapter shall be respected. See also “Display” Keypad Any keypad which fulfils the requirements outlined in Chapter can be used.

  • Page 159: Application Notes

    TYPE EXAMINATION CERTIFICATE or from your local distributor. 2) The CE mark on the Siemens M20 with GSM-IMEI must be visible from the outside without the use of any tools, even if the M20 is integrated and/or built into an application (visibility through cooling slits is sufficient). Alterna- tively, an additional label can be placed on the outside of the application or if there is not enough room, it can be included in the operating manual with the wording "This application uses integrated GSM Terminal Equipment with...
  • Page 160 3) Connect the antenna cable and antenna to the M20 Terminal connector. 4) Connect the handset to the M20 (optional) 5) Connect the M20 Terminal to the power supply and ignition circuit, connect power supply to mains 6) Activate the M20 Terminal by pressing the ignition button on the ignition circuit.
  • Page 161 Siemens Information and Communication Products Application notes 7) Enter the Pin number with the command AT+CPIN="xxxx", unless AT^SFLC (facility lock for PIN code has been set. In this case the log-in to the GSM network will start automatically after the ignition phase is completed Blink 8) Once the M20T is logged into the net the LED is on.
  • Page 162 Siemens Information and Communication Products Application notes 8.2.5.2 Start Procomm Plus (START - programs - Procomm - Procomm Plus) To activate configuration file: Activate "M20_start" by double-clicking in the data - pulldown menu. M20T connected and ON (see chapter 3.3.1) This automatically configures the system to connect to the M20T via COM1.
  • Page 163 Siemens Information and Communication Products Application notes at+cpwd="SC","xxxx","xxxx" ”SC” SIM PIN is changed ”8418” old PIN ”8888” new PIN 8.2.6.4 Lock/unlock PIN1 at+clck="SC",2 Query PIN1 lock/unlock status +CLCK: 1 Status is ”on” (locked) at+clck="SC",0,"xxxx" Unlock PIN1 at+clck="SC",2 Query status +CLCK: 0 Status is ”off”...
  • Page 164 Siemens Information and Communication Products Application notes 8.2.6.9 Display current configuration at&v Display current configuration ACTIVE PROFILE: E1 L0 M0 Q0 V1 X4; S0:0 S2:43 S3:13 S4:10 S0-S13 display and calling parameters S5:8 S6:2 S7:60 S8:2 S10:15 S12:10 S13:60 S1:0 +CBST: 7,0,1 “AT+CBST Select Bearer Service Type”...
  • Page 165 Siemens Information and Communication Products Application notes 8.2.7.2 Read phonebook entry NOTE: it is useful to check which book is used before reading (see:1.4) at+cpbr=? +CPBR: (0-2),40, 30 (ON is selected) index: 0-2; length of no.: 40; length of name: 30...
  • Page 166 Siemens Information and Communication Products Application notes +CPBW: (0-3), Index: 0-3; nlength: 40; supported type: 129 or 145; tlength: 30 40,(129,145),30 at+cpbs="SM" Select SIM phonebook at+cpbs? Check type of phonebook selected +CPBS: "SM" Type is ”SM” – SIM phonebook at+cpbw=? +CPBW: (0-100), Index: 0-100;...
  • Page 167 Siemens Information and Communication Products Application notes The entries are in hexadecimal format. The record has a length of OxOD = 13 Bytes and the file has a length of 0x82 = 130 bytes. Therefore the file has 130/13 = 10 entries.
  • Page 168 Siemens Information and Communication Products Application notes 8.2.7.6 Using the AT^SPBA Browse the phonebook alphabetically AT^SPBS Steps the selected phonebook alphabetically Command SM-Phonebook (Precondition): <index> <number> <type> <text> +4301254 Doris 00431245 Andi +49145787 Paul 0137484535 +4372323 0163562365 011254587 Emil 0043145874...
  • Page 169 Siemens Information and Communication Products Application notes 8.2.8 Phone call 8.2.8.1 Mobile originated call atd015265241; Dial the number you want to be connected with (always with dialling code) You see the cursor while the called party’s phone is ringing CONNECT...
  • Page 170 NOTE: A1 will send you a SMS confirming that your SMS was forwarded to the e-mail address 8.2.10.5 Send SMS to fax address e.g. with Max Mobil at+cmgs=”676201170755009” 6762 (Max Mobil), 01 (Vienna), 1707 (Siemens) > text of your SMS afterwards: CTRL Z (!) Version 8 dated 15.03.00...
  • Page 171 Siemens Information and Communication Products Application notes +cmgs: 29 Counts the messages sent with the SIM card 8.2.10.6 Store SMS in memory at+cmgw="+436764910086" Except for the at – command same procedure >text of SMS As for sending (do not forget: CTRL Z (!)
  • Page 172 Siemens Information and Communication Products Application notes NOTE:2) If you are unable to receive Fax with the M20 but sending works then check with your provider if T62 fax pro- tocol is enabled for your SIM card Before starting WINFAX: In this example the M20 is connected via the serial connection COM1, it works the same with COM2.
  • Page 173 Siemens Information and Communication Products Application notes 8.2.12 Provider information (Europa_info.xls) Comments to the expressions used: The following information and codes are supplied by your provider: SCSA: SMS This is the service center address of the Provider which has to be set in the M20 when sending SMS.

  • Page 174: M20 Diagnostics

    Siemens Information and Communication Products Application notes M20 diagnostics The following AT commands can be used to query information for diagnostics: • AT+CSQ Signal quality (receive level) This command with the corresponding parameters can be used to query the reception level in dBm and the bit error rate (RXQUAL) as per GSM Rec.
  • Page 175 Siemens Information and Communication Products Application notes Hyperterminal responds Hyperterminal, Serial Terminal program Hyperterminal: to set lo- with faulty characters Procomm plus connector: and M20T have to cal baud rate: on, M20T on (id- Not 0- have the same 1) File-settings-...
  • Page 176 Siemens Information and Communication Products Application notes 8.3.2 Call setup Fault Error Status Check SW response / Action Message comment No call No Carrier SIM card inser- 3V SIM Old SIM cards are setup ted,(3V),Anten- Card? 5V,new ones 3V. Check...

  • Page 177: Serial Interface Configuration

    Serial interface configuration The serial interface to the M20/M20 Terminal has to be initialized as follows: 19200,8,N,1 (baud rate 19200, data bits: 8, parity: no, stop bit: 1) A serial interface configuration file for a Windows 95/98/NT Hyperterminal program (file: m20.ht) can be found on the...
  • Page 178 Siemens Information and Communication Products Application notes CD). 8.4.1 General information The following functions are available under Windows 95. When using these functions, the user has to include windows.h which is available under Microsoft Visual (MSVC) or Borland C, for example.
  • Page 179 Siemens Information and Communication Products Application notes See also SetCommState, DCB 8.4.2.2 int ClearCommBreak(idComDev) int idComDev; /* device to be restored The ClearCommBreak function restores character transmission and places the communications device in a non-break state. int ClearCommBreak(idComDev) Parameter Description idComDev Identifies the communications device to be restored.
  • Page 180 Siemens Information and Communication Products Application notes 8.4.2.3 int CloseComm(idComDev) int idComDev; /* device to close The CloseComm function closes the specified communications device and frees any memory allocated for the device’s transmission and receiving queues. All characters in the output queue are sent before the communications device is closed.
  • Page 181 Siemens Information and Communication Products Application notes Comments If an application specifies -1 for the cbWriteNotify parameter, the WM_COMMNOTIFY message is sent to the specified window for CN_EVENT and CN_TRANSMIT notifications but not for CN_RECEIVE notifications. If -1 is specified for the cbOutQueue parameter, CN_EVENT and CN_RECEIVE notifications are sent but CN_TRANSMIT notifications are not sent.
  • Page 182 Siemens Information and Communication Products Application notes 8.4.2.6 int FlushComm(idComDev, fnQueue) int idComDev; /* communications-device identifier int fnQueue; /* queue to flush The FlushComm function flushes all characters from the transmission or receiving queue of the specified communications device. int FlushComm(idComDev, fnQueue)
  • Page 183 Siemens Information and Communication Products Application notes 8.4.2.7 int GetCommError(idComDev, lpStat) int idComDev; /* communications device identifier COMSTAT FAR* lpStat; /* address of device-status buffer The GetCommError function retrieves the most recent error value and current status for the specified device. When a com- munications error occurs, Windows locks the communications port until GetCommError clears the error.
  • Page 184 Siemens Information and Communication Products Application notes 8.4.2.8 UINT GetCommEventMask(idComDev, fnEvtClear) int idComDev; /* communications device identifier int fnEvtClear; /* events to clear in the event word The GetCommEventMask function retrieves and then clears the event word for a communications device.
  • Page 185 Siemens Information and Communication Products Application notes 8.4.2.10 int OpenComm(lpszDevControl, cbInQueue, cbOutQueue) LPCSTR lpszDevControl;/* address of device-control information */ UINT cbInQueue; /* size of receiving queue UINT cbOutQueue; /* size of transmission queue The OpenComm function opens a communications device.
  • Page 186 Siemens Information and Communication Products Application notes Comments Windows allows COM ports 1 through 9 and LPT ports 1 through 3. The OpenComm function will fail if the device driver does not support a communications port number. The communications device is initialized to a default configuration. The SetCommState function should be used to initialize the device to alternate values.
  • Page 187 Siemens Information and Communication Products Application notes 8.4.2.11 int ReadComm(idComDev, lpvBuf, cbRead) int idComDev;/* identifier of device to read from void FAR* lpvBuf; /* address of buffer for read bytes int cbRead; /* number of bytes to read The ReadComm function reads up to a specified number of bytes from the given communications device.
  • Page 188 Siemens Information and Communication Products Application notes 8.4.2.13 UINT FAR* SetCommEventMask(idComDev, fuEvtMask) int idComDev; /* device to enable UINT fuEvtMask; /* events to enable The SetCommEventMask function enables events in the event word of the specified communications device. UINT FAR* SetCommEventMask(idComDev, fuEvtMask)
  • Page 189 Siemens Information and Communication Products Application notes 8.4.2.14 int SetCommState(lpdcb) const DCB FAR* lpdcb; /* address of device control block The SetCommState function sets a communications device to the state specified by a device control block. int SetCommState(lpdcb) Parameter Description lpdcb Indicates a DCB structure that contains the desired communications settings for the device.
  • Page 190 Siemens Information and Communication Products Application notes 8.4.2.15 int TransmitCommChar(idComDev, chTransmit) int idComDev; /* communications device char chTransmit; /* character to transmit The TransmitCommChar function places the specified character at the head of the transmission queue for the specified device.

  • Page 191: Sw Download (Version Update)

    Siemens Information and Communication Products Application notes 8.4.2.17 int WriteComm(idComDev, lpvBuf, cbWrite) int idComDev; /* identifier of comm. device const void FAR* lpvBuf; /* address of data buffer int cbWrite; /* number of bytes to write The WriteComm function writes to the specified communications device.
  • Page 192 Siemens Information and Communication Products Application notes 2) BOOTCODEEN is active for about 100 ms immediately after a reset. After that time, the signal is inactive 1) A level converter is needed to adapt the signal voltages of the M20 to those of the serial interface cable.Shows a circuit example.
  • Page 193 (1) Ignition signal > 5V for longer than 1 s has to be set to voltage > 2.8 V, remember that this signal has to be low when switching off the M20 with AT command AT^SMSO, see Chapter 5.7 “Siemens-defined AT commands for enhanced functions” on page 111 (2) SW-DOWNLOAD: To switch the M20T to bootmode use the following procedure: Apply >...
  • Page 194 Siemens Information and Communication Products Application notes 8.5.5 M20T: Booting for SW loading Please follow the given sequence exactly for successful booting and loading of M20 Software/SW updates. Fig. 8-3 Top view of open M20T 1) To activate SW-loading mode of the M20 the BOOTCODEENABLE pads of the M20T have to be connected during the power-up of the M20/M20T.
  • Page 195 Siemens Information and Communication Products Application notes 8.5.7 Starting PCload32.exe program 1. Enter the filename of the Software to download (eg.: c:\m20\ system.mot) or find it with the “Select Download Flash File” button. 2. Set Port to COM2 ( if serial cable connected to COM2)

  • Page 196: Emc-Relevant Information For Integrators Of The M20

    Getting full-type approval with the application The Cellular Engine Siemens M20 is a GSM 900 Terminal with external peripherals and is full type approved (FTA) in two basic configurations. "Configuration" specifies the application and all GSM relevant parts of the application.
  • Page 197 The objects listed above (1-3) have to be retested according to TBR 19 and TBR 20 (a list of required delta test cases ac- cording to ETS 300 607-1 is available from Siemens and can be requested by the customer). A list of subclauses of the ETS 300 342-1 dated 06/97 which are required for EMC consideration (point 4 listed above) is also available from Sie- mens and can be requested by the customer.

  • Page 198: Application Examples And Reference Circuits

    Siemens Information and Communication Products Application notes Application examples and reference circuits The following examples are for reference only and describe one of many possibilities to realise the shown function. 8.8.1 V.24 level converter /HYHO &RQYHUWHU 3LQ '68% QDIÃH! &"...

  • Page 199: Fig. 8-6 Sim Card Connection Pins

    Siemens Information and Communication Products Application notes Fig. 8-6 SIM card connection pins 8.8.4 Handset connection Fig. 8-7 Handset connection Version 8 dated 15.03.00...

  • Page 200: Fig. 8-8 Handsfree Application Diagram

    Siemens Information and Communication Products Application notes 8.8.5 Adding echo suppression functionality VSFS_V SFS1 VSCLK_V SCLK1 VSDO_V SDO1 VSDI_V SDI1 VSFS_C SFS2 VSCLK_C SCLK2 VSDI_C SDO2 VSDO_C SDI2 39 42 40 41 10 72 Host-Interface USCTX_ USCRX_ M ICN M ICP...

  • Page 201: Service Information

    Siemens Information and Communication Products Application notes 8.8.7 Reset: Deadlock handling The following sequence describes the method to reset the M20 in case there it no longer reacts to AT-commands. Cutting the power supply is not necessary. Shutting down must be done in two steps: IGNITION (PIN 8 on the 80pole SMD connector) must be set to TTL-low(<0.8V)

  • Page 202: M20 Terminal

    General information The Siemens M20 Terminal is a GSM900 Phase II voice, data, group 3 fax and SMS terminal device. This device is in- tended for universal use in various areas of application. A broad range of voltages is therefore available because common industrial interfaces have been implemented.

  • Page 203: Electrical Description And Interfaces

    30g pulse with 18 ms duration time Air humidity 5–98% Note: the M20 Terminal shall not be used within wet environment, such as showers, bath. Electrical description and interfaces M20 Terminal has following plugs for power supply, interfacing and antenna: •...

  • Page 204: Fig. 9-3 Front View Of Western Plug 4-4 (Male)

    Siemens Information and Communication Products M20 Terminal 4-pole Western plug (female)// handset Usage Microphone (-) Speaker (-) Speaker (+) Microphone (+), app. 5 V DC to pin 1 for supplying an electret microphone Fig. 9-3 Front view of Western plug 4-4 (male) 9-pole (female) SUB-D plug for V.24/V.28 serial interface, 1:1 cable connection (pin-to-pin) to a serial computer...
  • Page 205 Siemens Information and Communication Products M20 Terminal Coding of the green status LED Status Possible Error Checks & Actions Dark No power No power supply Check power supply Check power cable pins 6-pole Western plug pin 1: +, pin 6: GND Blinking Power on &...

  • Page 206: Operation Requirements, Ce Conformity, Restrictions Of Use

    (handset, own MMI implementation supported by AT commands) other than the approved accessories are used. Information about approved configurations and accessories that have been approved for use with the M20 Terminal can be obtained in the appendix to EC TYPE EXAMINATION CERTIFI- CATE or from your local distributor.

  • Page 207: M20 Development Box

    M20 Cellular Engine. The Development Box has almost the same functionality as the M20 Terminal with following ad- ditional features: • On-board male pins for each relevant pin of M20 80-pole connector not used by M20 Terminal (e.g. digital au- dio interface, keyport interface, display interface), the connection to customers application might be with band cables.
  • Page 208 Siemens Information and Communication Products Migration M1 to M20 13.1.2 AT-Commands: Functionality with new commands Description Comment ATBn Select GSM module operating mode AT+CBST No autobauding on M20 ATI1 Hardware Checksum none ATI8 Display bearer services AT+CBST=? ATI9 Display version...

  • Page 209: System Parameter Comparison (At&V) On The M1 And M20

    Siemens Information and Communication Products Migration M1 to M20 13.1.3 AT-Commands: Same functionality but changes in the parameters Description Comment ATDS Dial stored phone number in fixdialling phonebook M1:0...3, M20: 1...5 ATS0 Set number of rings before automatically answering M1: 1...5, M20: 1...255...
  • Page 210 Siemens Information and Communication Products Migration M1 to M20 S06:002 Not available S07:060 S7=x S08:002 No effect at GSM S09:006 Not available S10:100 S10=x S12:050 Not available S14:2AH Set echo result code..ATE,ATQ,ATV S16:00H Function Internal use only S18:002 Function Internal use only S21:20H AT%Dn, AT&D,AT&C...

  • Page 211: References

    Siemens Information and Communication Products References 14 References ETS 300 607-2: October 1996 (GSM 11.10-2 Version 4.15.0) ETS 300 511: July 1995 (GSM 2.30 Version 4.13.0) V.24 (ITU-T, V.24, 10/96) V.28 (ITU-T recommendations, CD-ROM March 1998) V.25ter (ITU-T, V.25ter, 07/97) ETS 300 342 (ETSI –...

  • Page 212: Technical Data

    V.24/RS232 interface Drive via serial interface by means of standard AT Hayes and AT Cellular commands to GSM 07.07 and 07.05 and a number of the most useful Siemens-defined AT commands SMS: SMS MT, SMS MO in text and PDU mode, SMS cell broadcast...

  • Page 213: Design Drawing Of The M20

    Siemens Information and Communication Products Technical data 15.2 Design drawing of the M20 Fig. 15-1 Design drawing of the M20 All values are [mm] Version 8 dated 15.03.00...

  • Page 214: Design Drawing Of The M20 Terminal

    Screw: metal thread-cutting screw, diameter 1.8mm, free of oil and grease Screw in depth (into housing): min 3mm, max. 4.5mm Tightening torque: 0.2Nm+-0.05 Fig. 15-2 M20 screw dimensions 15.3 Design drawing of the M20 Terminal Fig. 15-3 M20 Terminal front view Version 8 dated 15.03.00...

  • Page 215: Fig. 15-4 M20 Terminal Back View

    Siemens Information and Communication Products Technical data Fig. 15-4 M20 Terminal back view Fig. 15-5 M20 Terminal top and side view Version 8 dated 15.03.00...

  • Page 216: Fig. 15-6 M20 Terminal Bottom View

    • with 3 mm diameter screws for mounting from the bottom (hole depth 15 mm) Note: when mounting the M20 Terminal from the bottom, the holes for the screws are shielded on the inside, thus preven- ting particles from entering the terminal. This cover is situated 15 mm from the base. The use of longer screws will destroy this cover, resulting in a 3 mm hole if the screw is removed.

  • Page 217: At Commands Sorted By Functionality

    Far party call status Page 115 AT^SLCK Facility lock (including Siemens-defined locks) Page 116 AT^SPWD Change password for a lock (including Siemens-defined locks) Page 130 AT^SPLM Read the PLMN list Page 126 AT^SPLR Read entry from the preferred operator list...

  • Page 218: Commands For Supplementary Network Services

    Siemens Information and Communication Products AT commands sorted by functionality 16.3 Commands for supplementary network services Command Function Page AT+CCFC Call forwarding number and conditions control Page 60 AT+CCUG Closed user group control Page 61 AT+CHLD Call hold and multiparty...

  • Page 219: Commands For Interface To Terminal Equipment (Ta - Te)

    Siemens Information and Communication Products AT commands sorted by functionality 16.5 Commands for interface to terminal equipment (TA – TE) Command Function Page Repeat previous command line Page 29 Enable command echo Page 38 ATS3 Set command line termination character...

  • Page 220: Commands For Device Information

    Siemens Information and Communication Products AT commands sorted by functionality 16.7 Commands for device Information Command Function Page Display product identification information Page 39 AT+CGMI Request manufacturer identification Page 63 AT+CGMM Request model identification Page 63 AT+CGMR Request revision identification...

  • Page 221: Commands For Data/Fax

    Siemens Information and Communication Products Appendix 16.9 Commands for data/fax Command Function Page Switch from command mode to data mode Page 39 ATS2 Set Hayes ESC character Page 40 ATS10 Set disconnect delay after indicating the absence of data carrier...
  • Page 222 Siemens Information and Communication Products AT command summary (pause)+++(pause) ESC from data mode to command mode ............29 Repeat previous command line ..............29 AT%D Automatic dialling phone number in mem. "ME" index "1" with DTR ..46 AT&C Set circuit Data Carrier Detect (DCD) function mode ........43 AT&D...
  • Page 223 Siemens Information and Communication Products AT+CPMS Preferred SMS message storage ..............105 AT+CPUC Price per unit and currency table ..............80 AT+CPWD Change password ...................79 AT+CR Service reporting control ................83 AT+CRC Set Cellular Result Codes for incoming call indication ......... 82 AT+CREG Network registration ..................
  • Page 224 Write an entry to the preferred operator list ..........128 AT^SPWC List password counter .................. 129 AT^SPWD Change password for a lock (including Siemens-defined locks) ....130 AT^SRESET Software reset ....................130 AT^SRTC Select, query or test ringing tone ..............131 AT^SSET Set some unsolicited result codes ..............134...
  • Page 225 Siemens Information and Communication Products Version 8 dated 15.03.00...
  • Page 226 Siemens Information and Communication Products Abbreviations AC ......Alternate Current ACM..... Accumulated Call Meter ADC ..... Analog Digital Converter AGC ..... Automatic Gain Control AoC ...... Advice of Charge BAIC ...... Barring of All Incoming Calls BAOC....Barring of All Outgoing Calls BOIC ......
  • Page 227 Siemens Information and Communication Products GSM ..... Global System for Mobile communication IMEI ..... International Mobile Equipment Identity IMSI ..... International Mobile Subscriber Identification ......Location Area Identifier ME......Mobile Equipment MMI ..... Man Machine Interface MO ....... Mobile Originated MP ......
  • Page 228 Siemens Information and Communication Products Index AT^SFPCS Far party call status .... AT^SMGL List SMS messages from preferred storage without changing status to read Numerics 4-pole Western plug ..... 203, 204 AT^SMGR Read SMS message without set to 80-pin connector ........
  • Page 229 Siemens Information and Communication Products Bauds per second ........Command mode ......29, 39 Bearer Service ........Communications device ....... Connect indicator ........ Bearer service........BIC-Roam......66, 79, 116, 130 Connect line identification presentation ... BOIC ........ CONNECT result ........
  • Page 230 Siemens Information and Communication Products FTA – Full-type approval ..... Dialling memory......46, 66 Digital audio interface – DAI ....Full-type approval ....... Dimensions ......... Function mode ........ 43, 44 Dimensions M20........Fuses..........Discharge time........Disconnect ........27, 38 Display ..
  • Page 231 Siemens Information and Communication Products ISDN number ........36, 46 attenuation......111, 122 energy........... gain selection........impedance ........Keypad ........11, 20, 158 mute ........111, 124 address matrix ........ sensitivity........column ........... signal to noise ratio ......meaning......... volume..........
  • Page 232 Siemens Information and Communication Products Outgoing call........Remote station busy....... Repeat previous command line ....Outgoing seizure........Report manufactured identification ..Report model identification ....Report revision identification....Parity ........... Request to send ........Password..55, 66, 77, 79, 116, 130, 145 Reset indicator ........
  • Page 233 Siemens Information and Communication Products send message ......... card reader ........send message from storage....connected presentation ....service centre address ..... connected status ......service centre time-stamp..96, 99, 121 lock ..........service indicator......set text mode parameter ....
  • Page 234 Siemens Information and Communication Products Volume setting ........Synchronous........82, 83 Weight ..........Technical data, M20......Temperature range ....... 203, 212 Weight M20........WM_COMMNOTIFY ......Termination character......Test command ........Write phonebook entry......Text mode 94, 95, 97, 98, 100, 119, 120, 170 WriteComm .........

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