Lucent Technologies Host-Based Controller Modem AT specifications AT Command Summary

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Host-Based Controller Modem	Data Addendum
AT Command Set	June 15,
1998

AT Command Summary

The following tables summarize the commands implemented by the modem. Commands may be executed when the modem is in COMMAND mode. COMMAND mode is entered upon under one of the following conditions:

✟After power up

✟At the termination of a connection

✟After the execution of a command other than dial or answer commands (ATO or AT&T)

✟Upon the receipt of the ESCAPE SEQUENCE (three consecutive characters matching the contents of S register 2) while on-line mode

✟Upon the on-to-off transition of DTR if &D1, &D2, or &D3 has been set

Table 1. AT Command Set Summary

Command	Description	Command	Description

A/	Repeat last command	&J	Auxiliary relay options
A	Answer command	&K	Local flow control selection
B	Communication standard setting	&M	Asynchronous communications mode

C	Carrier control	&Q	Asynchronous communications mode
D	Dial command	&S	Data set ready (DSR) option
E	Echo command	&T	Self-test commands
F	On-line data character echo command	&V	View the active configuration
H	Hook control	&W	Store current configuration
I	Request ID information	&Y	Select stored profile for hard reset
L	Monitor speaker volume	&Z	Store telephone number
M	Monitor speaker mode	\A	MNP block size

N	Modulation handshake	\B	Send break
O	Return to on-line data mode	\G	Modem port flow control
P	Select pulse dialing	\J	Adjust bits/s rate control
Q	Result code control	\K	Set break control
T	Select tone dialing	\N	Error control mode selection
V	DCE response format	\Q	Local flow control selection
W	Result code option	\R	Ring indicator off after answer
X	Result code selection and call progress	\T	Inactivity timer
	monitoring
Y	Long-space disconnect	\V	Protocol result code
Z	Reset and recall stored profile	\X	XON/XOFF pass through
&B	V.32 auto retrain	%B	View numbers in blacklist

&C	Data carrier detect (DCD) control	%C	Data compression control
&D	Data terminal ready (DTR)	%E	Automatic rate change
&F	Local factory settings	-C	Data calling tone
&G	V.22bis guard tone control	-V90	Enable/disable V.90 settings

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Lucent Technologies Inc.

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Contents

Contents IntroductionAT Command Summary AT Command Set Summary Description#UD AT Testing and Debugging Command Set Summary DescriptionS-Register Summary Default Description Result Code Summary NoEC-No error control protocol AT Commands Reference DnDial Echo CommandOnline Data Character Echo Command Mars Otherwise Hook ControlRequest ID Information Lapm Modulation Handshake Monitor Speaker VolumeMonitor Speaker Mode Result Code Control Return On-line to Data ModeSelect Pulse Dialing VnDCE Response FormatExt. Result Code Dial Tone Detect Busy Tone Detect Result Code OptionResult Code Selection and Call Progress Monitoring Extended Result CodesRecall Stored Profile OK ErrorLong Space Disconnect Auto RetrainGn V.22bis Guard Tone Control Fn Load Factory SettingsDn DTR Control Auxiliary Relay optionLocal Flow Control Selection Asynchronous Communications ModeQn Asynchronous Communications Mode Pulse Dial Make-to-Break Ratio SelectionData Set Ready DSR Option Self-Test CommandsConnect Error View Active Configuration and Stored Profile SSEZn=x Store Telephone Number Store Current ConfigurationYnSelect Stored Profile for Hard Reset \An\Kn Break Control Bits/s Rate Adjusted\Nn Error Control Mode Selection \N3 \Xn XON/XOFF Pass Through \Tn Inactivity Timer\Vn Protocol Result Code Data Calling ToneView Numbers in Blacklist En Enable/Disable Auto-Retrain and Fallback/Fall Forward Cn Data Compression ControlTest and Debug AT Commands Diag AT#UD Last Call Status Report FormatCall Setup Result Codes GstnModulationSchemeActive from 3.7.2/V.58CallCleared codes from 3.6.4/V.58-1994 ErrorControl Active from 3.5.2/V.58 Value DescriptionCompressionActive from 3.2.2/V.58 Value Description Value Description ImplementedDteHangupCommand Auto Answer Ring Number AT Commands Reference S-RegistersS3Command Line Termination Character user defined AT Escape Character user definedConnection Completion Time-Out Command Line Editing Character user definedResponse Formatting Character user defined S11 Comma Dial Modifier TimeS10 S12 Escape Guard TimeS22 Results Bit Mapped Options Status S24 Timer to Control Sleep ModeS21 24/General Bit Mapped Options Status S28S33 Synthetic Ring Frequency S30 Inactivity TimerS32 Synthetic Ring Volume S35S42 Auto Rate default 1, range 0 ¾1 S38 K56flex Downstream RateS48 S48 = S43 Auto Mode default 1, range 0¾1S48 Lapm Error Control and Feature Negotiation default S89Command Description AT FAX Command Set Class 1 FAXAT FAX Command Set Summary AT FAX Commands Reference +FRM=m Receive FAX Data with m Carrier Command Option Modulation Speed bits/s+FTM=m Transmit FAX Data with m Carrier +FTH=m Transmit Hdlc Data with m Carrier +FRH=m Receive Hdlc Data with m CarrierFPR Result Lucent Data/Fax +FAA Adaptive answerManufacturer Identification +FMI Product Identification +FMMVoice Commands AT Voice Command SetAT Voice Command Set AT Voice Command Set Not Defined In IS-101 SpecificationAT Voice Commands Reference AT+VEM=mask Event Reporting and Masking AT+VIT = Timer DTE/DCE Inactivity TimerAT+VGR=gain AT+VNH = Hook Automatic Hang-up ControlAT+VTS=string AT+VLS=label Analog Source/Destination SelectionAT+VTD=dur Start voice transmission and reception processAT+VSM=? AT+VSD=sds, sdi Silence Detection Quiet and SilenceAT+VSM? AT+VPR=rate Select DTE/DCE Interface Rate AT+VRA=interval Ringback Goes Away TimerAT+VRN=interval Ringback Never Appeared Timer Events Reported to the DTEAT+VTS= DLE H ATDATH AT+VLS=7AT+VLS=5 Example # 2 Initiating a stored number speakerphone call AT+FCLASS=1 Example # 3 Answering a speakerphone callRing ATAConnect Example # 6 Switching from speakerphone mode to TAD modeAT+FCLASS=0 AT+VLS=1DLE-R Modem answers call AT Dsvd Commands Manufacturer Identification +GMI? 25ter AT Commands25ter AT Commands Version / Revision Information +GMR?V8o, v8a, and v8cf +ES=? AT Commands+ES? +ITF= off, on Idle,,,crctype,nrzien+ESA=? +ITF=?AT Commands for Homologation Testing and Debugging Version Country Codes CountryCode in HEX USAAT%T21,par#,paramvalue Pulse dial make time 255 ATB ATA, ATDATD , ATX ATH1Homologation Parameters Par # Parameter Description Range ReferenceVersion 150 255 100 120 255 0x00 0x12 0x10 0x88 0x80 0x06 0x0c 0x6b 0xaa Par. # Australia Belgium Denmark Finland France Germany 120 100 255 0x10 0x12 Par. # Netherlands Italy Norway Spain150 100 250 255 0x12 0x10 0x00 0x88 0x06 0x0c 0x80 Par. # Austria Japan China Korea Malaysia Singapore 150 250 255 Portugal Hong Kong 150 255 Version Par. # Canada Mexico India Vietnam Philippines 000 004 002 050 140 S10 020 S11 095 090 S30 S35 001 000 003 002 004 035 050 S10 020 S11 095 090 S30 S35 001 OK ATZ OK ATS11? 085 OK ATZXX-XXXDMOD