Specifications
AT command set for XX Siemens mobile phones and modems   
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Document No.:  A30880-A10-A001-XX-
D376 
Revision: Master R75     
Revision Date:  29. September, 2004     
  8 
control 
AT+CPBR  Read a telephone-book entry  Mobile equipment 
control 
42 
AT+CPBS  Select a telephone book  Mobile equipment 
control 
42 
AT+CPBW  Write a telephone-book entry  Mobile equipment 
control 
43 
AT+CPIN  Enter PIN and query lock  Mobile equipment 
control 
43 
AT+CPOL  Preferred operator list  Network service  32 
AT+CPUC  Price per unit and currency table  Mobile equipment 
control 
44 
AT+CPWD  Change password to a lock  Network service  32 
AT+CR  Service reporting control  General  21 
AT+CRC  Cellular result codes  General  22 
AT+CREG  Network registration  Network service  33 
AT+CRLP  Select radio link protocol parameter for 
originating non-transparent data call 
Modem command  77 
AT+CRMP  Ring Melody Playback  Mobile equipment 
control 
45 
AT+CRSL  Ringer sound level  Mobile equipment 
control 
45 
AT+CRSM  Restricted SIM access  Mobile equipment 
control 
45 
AT+CSCS  Select TE character set  General  20 
AT+CSQ  Output signal quality  Mobile equipment 
control 
46 
AT+CSSN  Supplementary service notifications  Network service  34 
AT+CTZR  Time Zone Reporting    47 
AT+CTZU  Automatic Time Zone Update    47 
AT+CVIB  Vibrator mode  Mobile equipment 
control 
47 
AT+GSN  Output the serial number (IMEI)  General  20 
AT+VTD  Set duration of a DTMF tone  TIA IS101  67 
AT+VTS  Send a DTMF tone  TIA IS101  68 
AT+WS46 Select wireless network  General  20 
Table 2-1: Supported 3GPP TS 27.007 commands [15] 
Table 2-2 lists all the supported 3GPP TS 27.005 AT commands in alphabetical order, and indicates the type of 
command as defined in the 3GPP TS 27.005 standard: 
27.005 
commands 
Function  Type of command  Page 
AT+CMGC  Send an SMS command  Message sending and writing  68 
AT+CMGD  Delete an SMS in the SMS memory  Message sending and writing  69 
AT+CMGF  SMS format  General configuration  69 
AT+CMGL  List SMS  Message receiving and reading  69 
AT+CMGR  Read in an SMS  Message receiving and reading  70 
AT+CMGS  Send an SMS  Message sending and writing  70 
AT+CMGW  Write an SMS to the SMS memory  Message sending and writing  71 










