Overview of the Supported AT Command Set

AT Command Set

A. Overview of the Supported AT Command Set

No Commands Function 1 AT+CGMI Issue manufacturer ID code 2 AT+CGMM Issue model ID code 3 AT+CGMR Output the GSM telephone version 4 AT+CGSN Output the serial number IMEI 5 AT+GSN Output the serial number IMEI 6 AT+CHUP Terminate call 7 AT+CEER Query the reason for disconnection of last call 8 AT+CREG Network registration 9 AT+COPS Commands concerning selection of network operator 10 AT+CLCK Switch locks on and off 11 AT+CPWD Change password to a lock 12 AT+CLIP Display telephone number of calling party 13 AT+CCFC Call forwarding 14 AT+CHLD Call hold and multiparty 15 AT+CPAS Query the telephone status 16 AT+CPIN Enter PIN and query lock 17 AT+CBC Battery charge 18 AT+CSQ Output signal quality 19 AT+CPBS Select a telephone book 20 Fehler Kein Read a telephone-book entry gültiges Resultat für Tabelle. 21 AT+CPBW Write a telephone-book entry 22 AT+CMEE Expanded error messages according to GSM 07.07 23 AT+VTS Send a DTMF tone 24 AT+VTD Set duration of a DTMF tone 25 AT+WS46 Select wireless network 26 AT+CSCS Select TE character set 27 AT+CAOC Advice of charge 28 AT+CSSN Supplementary service notifications 29 AT+CRSM Restricted SIM access 30 AT+CIMI Output of IMSI 31 AT+CACM Accumulated call meter 32 AT+CAMM Accumulated call meter maximum 33 AT+CLCC List Current Calls 34 AT+CCLK Clock 35 AT+COPN Read operator names 36 AT+CPUC Price per unit and currency table 37 AT+CALM Alert sound mode 38 AT+CRSL Ringer sound level 39 AT+CLVL Loudspeaker volume level 40 AT+CMUT Mute control 41 AT+CVIB Vibrator mode B-1 No Commands Function 42 AT+CSMS Selection of message service 43 AT+CPMS Selection of SMS memory 44 AT+CMGF SMS format 45 AT+CSCA Address of the SMS service center 46 AT+CNMI Display new incoming SMS 47 AT+CNMA Acknowledgment of a short message directly output 48 AT+CMGL List SMS 49 AT+CMGR Read in an SMS 50 AT+CMGS Send an SMS 51 AT+CMSS Send an SMS from the SMS memory 52 AT+CMGW Write an SMS to the SMS memory 53 AT+CMGD Delete an SMS in the SMS memory 54 AT+CSCB Select cell broadcast messages 55 AT+CMGC Send an SMS command No Siemens-specific Function commands 1 ATSPBS Select a telephone book including Siemens-specific books 2 ATSDLD Delete the ”last number redial” memory” 3 ATSPBC Seek the first entry in the sorted telephone book which begins with the selected or next available letter 4 ATSPBG Read entry from the sorted telephone book via the sorted index 5 ATSLCK Switch locks including user-defined locks on and off 6 ATSPWD Change password to a lock including user-defined locks 7 ATSACM Output ACM accumulated call meter and ACMmax 8 ATSPLM Read the PLMN 9 ATSPLR Read an entry from the preferred-operator list 10 ATSPLW Write an entry to the preferred-operator list 11 ATSCNI Output call number information 12 ATSNFV Set the volume 13 ATSNFS Select NF hardware 14 ATSRTC Set the ringing tone 15 ATSCID Output card ID 16 ATSCKS Output SIM card status 17 ATSPIC Output PIN counter 18 ATSMGO SMS overflow indicator 19 ATSMGL List SMS without status change from unread to read 20 ATSMGR Read SMS record without Changing unread-read 21 ATSMSO Switch device off 22 ATSLNG Language settings 23 ATSSTK SIM Toolkit 24 ATSBNW Binary Write 25 ATSBNR Binary Read B-2

B. AT Command Set Remote control operation of the GSM mobile telephone runs via a serial