Garmin NAVTALK AT COMMAND INTERFACE

AT COMMAND INTERFACE

The Navtalk GSM supports the following AT commands. They correspond to the commands of AT Hayes­compatible modems applicable for GSM 07.07.

Overview

Command Description

A/ Re-issues last AT command given
+++AT ESC from Data mode to command mode
ATA Answer incoming call
ATD Mobile Originated call to dialable number
ATD><MEM><N> Originate call to phone number in memory <MEM>
ATD><N> Originate call to phone number in current memory
ATDL Redial last telephone number used
ATE Set command echo mode
ATH Disconnect existing connection
ATI Display product identification information
ATL Set monitor speaker loudness
ATM Set monitor speaker mode
ATO Switch from command mode to data mode
ATP Select pulse dialling
ATQ Set Result code presentation mode
ATS0 Set number of rings before automatically answering the call
ATS3 Set command line termination character
ATS4 Set response formatting character
ATS5 Set command line editing character
ATS6 Set pause before blind dialling
ATS7 Set number of seconds to wait for connection completion
ATS8 Set number of seconds to wait when comma dial modifier used
ATS10 Set disconnect delay after indicating the absence of data carrier
ATT Select tone dialling
ATV Set result code format mode
ATX Set connect result code format and call monitoring
ATZ Set all current parameters to user defined profile
AT&C Set DCD function mode
AT&D Set DTR function mode
AT&F Set all current parameters to manufacturer defaults
AT&V Display current configuration
AT&W Store current parameter to user defined profile
AT+DR V.42bis data compression reporting control
AT+DS V.42bis data compression control
AT+GCAP Request complete TA capabilities list
AT+GMI Request manufacturer identification
AT+GMM Request TA model identification
AT+GMR Request TA revision identification
AT+GOI Request global object identification
AT+GSN Request TA serial number identification (IMEI)
AT+ICF Set TE-TA control character framing
AT+IFC Set TE-TA local data flow control
AT+ILRR Set TE-TA local rate reporting mode
AT+IPR Set fixed local rate
AT+CBST SELECT BEARER SERVICE TYPE
AT+CGMI REQUEST MANUFACTURER IDENTIFICATION
AT+CGMM REQUEST MODEL IDENTIFICATION
AT+CGMR REQUEST REVISION IDENTIFICATION

1.1 AT Commands According to GSM 07.05 for SMS

The GSM 07.05 commands are for performing SMS and CBS related operations for both Text and PDU
modes.

1.1.1 Overview

Command Description

AT+CMGD DELETE SMS MESSAGE
AT+CMGF SELECT SMS MESSAGE FORMAT
AT+CMGL LIST SMS MESSAGES FROM PREFERRED STORE
AT+CMGR READ SMS MESSAGE
AT+CMGS SEND SMS MESSAGE
AT+CMGW WRITE SMS MESSAGE TO MEMORY
AT+CMSS SEND SMS MESSAGE FROM STORAGE
AT+CMGC SEND SMS COMMAND
AT+CNMI NEW SMS MESSAGE INDICATIONS
AT+CPMS PREFERRED SMS MESSAGE STORAGE
AT+CRES RESTORE SMS SETTINGS
AT+CSAS SAVE SMS SETTINGS
AT+CSCA SMS SERVICE CENTER ADDRESS
AT+CSCB SELECT CELL BROADCAST SMS MESSAGES
AT+CSDH SHOW SMS TEXT MODE PARAMETERS
AT+CSMP SET SMS TEXT MODE PARAMETERS
AT+CSMS SELECT MESSAGE SERVICE