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Table of contents
1Overview (6)
1.1Instruction (6)
1.2Purpose & Scope (6)
2References (6)
3Acronyms and Abbreviations (7)
4AT Command Syntax (8)
4.1Command Line Syntax (8)
4.2Response and Result Syntax (9)
4.3AT command summary (9)
commands (9)
4.3.1 General
commands (9)
control
4.3.2 Call
commands (10)
service
4.3.3 Supplementary
commands (10)
4.3.4 SMS
4.3.5 Mobile Equipment control and status commands (10)
codes (10)
result
4.3.6 Unsolicited
codes (10)
result
4.3.7 Final
codes (11)
4.3.8 Immediate
result
5AT command description (11)
5.1+CGMI ---- Request manufacturer identification (11)
5.2+CGMM ---- Request module identification (11)
5.3+CGMR ---- Request revision date and version number (11)
5.4+CGSN ---- Request product serial number (12)
5.5+COPN ---- Request operator name (12)
5.6+CSCS ---- Select DCE character set (12)
5.7 A ---- Answer a call (12)
5.8 D ---- Originates a call (13)
5.9H ---- Hang up a call (13)
5.10+CHLD ---- Call related supplementary service (13)
5.11+VTS ---- DTMF and tone generation (14)
5.12+CMGS ---- Send SMS (14)
5.13+CMTI ---- New SMS indication (14)
5.14&F ---- Restore factory setting (15)
5.15+CSQ ---- Request signal quality (15)
5.16+CFUN ---- Set phone functionality (15)
5.17+CLAC ---- List all available AT commands (15)
5.18+CLVL ---- Set receiver volume (16)
5.19+CMRV ---- Switch on/off receiver and microphone (16)
5.20+CPAS ---- Query phone activity status (16)
5.21+CPPNO ---- Get PHS number (16)
5.22 +CPIN ---- Enter PIN (17)
5.23+CLCK ---- Facility Lock (17)
5.24+CRPM ---- Restricted PIM Access (18)
5.25+CRING ---- Indication of an incoming call (18)
5.26+PPURC ---- Extend unsolicited result code (18)
5.27CONNECT ---- The call is connected (19)
5.28Error code
5.29Informative examples (20)
Table of Figures
Figure1 AT Architecture (6)
Figure 2 AT Command Syntax (8)
Figure 3 AT Command Response Syntax (9)
1 Overview
1.1 Instruction
1.
control”.
2. AT command set for GSM Mobile Equipment (ME), GSM 07.07 version 6.4.0 Release
1997.
3. Equipment(DTE-DCE) interface for Short Message Service(SMS) and Cell Broadcast
Service(CBS). GSM 07.05 version 7.0.1 Release 1998
4. Specification of the Subscriber Identity Module - Mobile Equipment (SIM - ME)
interface(Release 1999) 3GPP TS 11.11
5. PIM－PS接口规范20050104（V1.0 发布版）,中国固网和PHS终端联盟
3 Acronyms and Abbreviations
UTSI: UTStarcom Incorporation
PS: Personal Station, same Mobile Station
AT: Attention, the handshake interface between PS and Digital Terminal
4 AT Command Syntax
4.1 Command Line Syntax
The “AT” or “at” prefix must be set at the beginning of each command line. To terminate a command
4.2 Response and Result Syntax
Commands are usually followed by a response that
includes .
Throughout this document, only the responses are presented,
response to +CMD2?
4.3.3 Supplementary service commands Command Description
+CHLD Call related supplementary service +VTS DTMF and tone generation
4.3.4 SMS commands
+CME ERROR Fail
response
4.3.8 Immediate result codes
Command Description CONNECT The call is connected
5 AT command description
to identify the version, revision level or date, or other pertinent information of the ME to which it is connected to.
5.4 +CGSN ---- Request product serial number
Command Parameter Range (default) Possible response
+CGSN?
including line terminators, in the
information text shall not exceed 2048
characters Success: +CGSN:
Description: Execution command causes the TA to return one or more lines of information text
Fail: +CME ERROR:
5.8 D ---- Originates a call
Description: This command allows the control of the following call related services:
1 a call can be temporarily disconnected from the ME but the
connection is retained by the network.
2 multiparty conversation.
3 the served subscriber who has two calls can connect the other parties and
release the served subscriber’s own connection.
Calls can be put on hold , recovered, released, added to conversation, and transferred.
5.11 +VTS ---- DTMF and tone generation
Command Parameter Range (default) Possible response
Success: OK
+VTS=
maximum length is 32.
Fail: +CME ERROR:
5.14 &F ---- Restore factory setting
Command Parameter Range (default) Possible response &F none Success: OK
Fail: +CME ERROR:
5.15 +CSQ ---- Request signal quality
Command Parameter Range (default) Possible response
+CSQ
Description: This command is used to request received signal strength indication
Description: Execution command causes the ME to return one or more lines of AT Commands.
5.18 +CLVL ---- Set receiver volume
Command Parameter Range (default) Possible response
Success: OK
+CLVL=
value is 3
Fail: +CME ERROR:
+CLVL?+CLVL:
+CLVL=?+CLVL:(0-4)
Description: This command is used to select the volume of the internal receiver of the ME. 5.19 +CMRV ---- Switch on/off receiver and microphone
Description: This command is used to get the number of ME.
5.22 +CPIN ---- Enter PIN
Description: This command is used to lock, unlock or interrogate a ME or a network facility
5.24 +CRPM ---- Restricted PIM Access
Command Parameter Range (default) Possible response
+CRPM=
the ME to the SIM; refer GSM 11.11)
178 READ RECORD
220 UPDATE RECORD
elementary datafile on PIM.
02: next record
03: previous record
04: absolute mode/current mode
:the data of the record
PIM about the execution of the actual
command.
90 00: successful
others: failed
Success:
+CRSM:
Fail: +CME ERROR:
Description: This command is used to read and update record in PIM storage.
5.25 +CRING ---- Indication of an incoming call
Command Parameter Range (default) Possible response +CRING:
other:caller ID off;
Description: This command is used to indicate an incoming call to DTE.
5.26 +PPURC ---- Extend unsolicited result code
Command Parameter Range (default) Possible response
AT+CGMR?
+CGMR: 10/05/2003,1.00A0D dd/mm/yyyy,vvvvvv OK
AT+CSCS=”IRA”
OK
AT+CSCS=?
+CSCS: (“IRA”)
OK
/*PHS call control Commands*/
ATD138********;
CONNECT the call is connected