Specifications

AT Command Set for L55 Platform 2003-11-21
Copyright  Siemens AG 2003 All Rights Reserved Page 6 of 131
AT+CLVL Loudspeaker volume level Mobile equipment
control
36
AT+CMEC Mobile Termination control mode Mobile equipment
control
36
AT+CMEE Expanded error messages according to GSM
07.07
Mobile equipment
error
58
AT+CMER Mobile Termination control mode Mobile equipment
control
37
AT+CMUT Mute control Mobile equipment
control
38
AT+COLP Connected Line Identification Presentation Call control 27
AT+COPN Read operator names Network service 28
AT+COPS Commands concerning selection of network
operator
Network service 28
AT+CPAS Query the telephone status Mobile equipment
control
38
AT+CPBR Read a telephone-book entry Mobile equipment
control
39
AT+CPBS Select a telephone book Mobile equipment
control
40
AT+CPBW Write a telephone-book entry Mobile equipment
control
41
AT+CPIN Enter PIN and query lock Mobile equipment
control
42
AT+CPOL Preferred operator list Network service 29
AT+CPUC Price per unit and currency table Mobile equipment
control
43
AT+CPWD Change password to a lock Network service 30
AT+CR Service reporting control General 17
AT+CRC Cellular result codes General 17
AT+CREG Network registration Network service 31
AT+CRLP Select radio link protocol parameter for
originating non-transparent data call
Modem command 70
AT+CRMP Ring Melody Playback Mobile equipment
control
44
AT+CRSL Ringer sound level Mobile equipment
control
43
AT+CRSM Restricted SIM access Mobile equipment
control
45
AT+CSCS Select TE character set General 15
AT+CSQ Output signal quality Mobile equipment
control
46
AT+CSSN Supplementary service notifications Network service 32
AT+CVIB Vibrator mode Mobile equipment
control
47
AT+GSN Output the serial number (IMEI) General 16
AT+VTS Send a DTMF tone TIA IS101 59
AT+VTD Set duration of a DTMF tone TIA IS101 59
AT+WS46 Select wireless network General 16
Table 2-1: Supported GSM 07.07 commands