Siemens M20 Terminal Technical Description page 82

Siemens Information and Communication Products
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
Set command Response
AT+CRC=[<mo- TA controls whether or not the extended format of incoming call indication is used.
de>]
OK
Parameter
<mode>
Unsolicited result code
When enabled, an incoming call is indicated to the TE with unsolicited result code +CRING: <ty-
pe>
instead of the normal RING.
Parameter
<type>
Reference Note
GSM 07.07
Version 8 dated 15.03.00
s
0 disable extended format
1 enable extended format
ASYNC
SYNC
REL ASYNC
REL SYNC
FAX
VOICE
asynchronous transparent
synchronous transparent
asynchronous non-transparent
synchronous non-transparent
facsimile
voice
AT command interface
A
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