Siemens M20 Terminal

AT command interface
Version 8 dated 15.03.00 82
Siemens Information and Communication Products
A
AT+CRC Set Cellular Result Codes for incoming call indication
Test command
AT+CRC=?
Response
+CRC: list of supported <mode>s OK
Parameter
see set command
Read command
AT+CRC?
Response
+CRC: <mode> OK
Parameter
see set command
Set command
AT+CRC=[<mo-
de>]
Response
TA controls whether or not the extended format of incoming call indication is used.
OK
Parameters
<mode> 0
disable extended format
1 enable extended format
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> ASYNC asynchronous transparent
SYNC synchronous transparent
REL ASYNC asynchronous non-transparent
REL SYNC synchronous non-transparent
FAX facsimile
VOICE voice
Reference
GSM 07.07
Note