Siemens M20 Terminal Technical Description page 176

Siemens Information and Communication Products
8.3.2 Call setup
No Fault Error
Message
1 No call No Carrier
setup
possible
2
3
4
5
6
7
8 No call setup No Carrier
possible
9
10
Version 8 dated 15.03.00
Status Check
SIM card inser- 3V SIM
ted,(3V),Anten- Card?
na connected,
Power On, Igniti-
on high. M20T
LED blinking
AT+CSQ:
Signal Qua-
lity
AT+CPIN?:
PIN Status
AT+CREG? +CREG: 0,0
AT+COPS=
0
M20 active, boo- AT+CLCK=
ked into net (M20 "AO",2
idle), number
exists, M20T
LED ON
Application notes
SW response / Action
comment
Old SIM cards are
5V,new ones 3V. Check
with Network Provider.
M20 accepts only 3V
SIM cards!!!!
+csq: <value>: if rearrange Antenna
less 10 position, check
Antenna connections,
Signal Quality for pro-
per function needs to be
larger 12.
ERROR No SIM-Card inserted,
SIM card defective, SIM
holder not
inserted properly
+cpin: SIM PIN Enter Pin-code:
AT+CPIN="xxxx" /
number in quotes
M20 not booked into
Net: AT+COPS=0 (se-
arch for Network, and
book in)
+CREG: 0,2 M20 searching for
network; when LED
stops blinking, booked
into network
(can take up to 1 Forces M20 to search for
minute) +cops: a network
<provider name>
+CLCK: 0 Outgoing call
possible; problem has
other cause.
+CLCK: 1,1 / AT+CLCK="AO",0,"<c
Outgoing voice ode>",7 /Unlock all
call barred services, <code> availa-
ble from
Network provider
(barring services)
+CLCK: 1,2 / AT+CLCK="AO",0,"<c
Outgoing data call ode>",7 /Unlock all
barred services, <code> availa-
ble from
Network provider
(barring services)
A
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