Specifications

AT Command Set for L55 Platform 2003-11-21
Copyright  Siemens AG 2003 All Rights Reserved Page 14 of 131
2.3.1 General commands according to GSM 07.07
This section provides the descriptions of general GSM 07.07 commands.
2.3.1.1 ATO
ATO Return to online data state
Execute command
ATO
Response
CONNECT/ NO CARRIER/ERROR
2.3.1.2 AT+CGMI
AT+CGMI Issue manufacturer ID code
Test command
AT+CGMI=?
Response
OK
Execute command
AT+CGMI
Response
<manufacturer>
Parameter
<manufacturer>
Name of manufacturer (SIEMENS)
2.3.1.3 AT+CGMM
AT+CGMM Issue model ID code
Test command
AT+CGMM=?
Response
OK
Execute command
AT+CGMM
Response
<model>
Parameter
<model>
Name of telephone (MOBILE)
2.3.1.4 AT+CGMR
AT+CGMR Output the GSM telephone version
Test command
AT+CGMR=?
Response
OK
Execute command
AT+CGMR
Response
<revision>
Parameter
<revision>
Version of the telephone software
2.3.1.5 AT+CGSN
AT+CGSN Output the serial number (IMEI)
Test command
AT+CGSN=?
Response
OK
Execute command
AT+CGSN
Response
<sn>
Parameter
<sn>
IMEI of the telephone