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 |
2 | Version 1.0 | Lucent Technologies Inc. |
Contents
Introduction
AT Command Summary
AT Command Set Summary Description
#UD
AT Testing and Debugging Command Set Summary Description
S-Register Summary Default Description
Result Code Summary
NoEC-No error control protocol
AT Commands Reference
DnDial
Echo Command
Online Data Character Echo Command
Mars
Otherwise Hook Control
Request ID Information
Lapm
Modulation Handshake
Monitor Speaker Volume
Monitor Speaker Mode
Result Code Control
Return On-line to Data Mode
Select Pulse Dialing
VnDCE Response Format
Ext. Result Code Dial Tone Detect Busy Tone Detect
Result Code Option
Result Code Selection and Call Progress Monitoring
Extended Result Codes
Recall Stored Profile
OK Error
Long Space Disconnect
Auto Retrain
Gn V.22bis Guard Tone Control
Fn Load Factory Settings
Dn DTR Control
Auxiliary Relay option
Local Flow Control Selection
Asynchronous Communications Mode
Qn Asynchronous Communications Mode
Pulse Dial Make-to-Break Ratio Selection
Data Set Ready DSR Option
Self-Test Commands
Connect Error
View Active Configuration and Stored Profile
SSE
Zn=x Store Telephone Number
Store Current Configuration
YnSelect 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 Tone
View Numbers in Blacklist
En Enable/Disable Auto-Retrain and Fallback/Fall Forward
Cn Data Compression Control
Test and Debug AT Commands
Diag
AT#UD Last Call Status Report Format
Call Setup Result Codes
GstnModulationSchemeActive from 3.7.2/V.58
CallCleared codes from 3.6.4/V.58-1994
ErrorControl Active from 3.5.2/V.58 Value Description
CompressionActive from 3.2.2/V.58 Value Description
Value Description Implemented
DteHangupCommand
Auto Answer Ring Number
AT Commands Reference S-Registers
S3Command Line Termination Character user defined
AT Escape Character user defined
Connection Completion Time-Out
Command Line Editing Character user defined
Response Formatting Character user defined
S11
Comma Dial Modifier Time
S10
S12 Escape Guard Time
S22 Results Bit Mapped Options Status
S24 Timer to Control Sleep Mode
S21 24/General Bit Mapped Options Status
S28
S33 Synthetic Ring Frequency
S30 Inactivity Timer
S32 Synthetic Ring Volume
S35
S42 Auto Rate default 1, range 0 ¾1
S38 K56flex Downstream Rate
S48 S48 =
S43 Auto Mode default 1, range 0¾1
S48 Lapm Error Control and Feature Negotiation default
S89
Command Description
AT FAX Command Set Class 1 FAX
AT 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 Carrier
FPR
Result Lucent Data/Fax
+FAA Adaptive answer
Manufacturer Identification +FMI
Product Identification +FMM
Voice Commands
AT Voice Command Set
AT Voice Command Set
AT Voice Command Set Not Defined In IS-101 Specification
AT Voice Commands Reference
AT+VEM=mask Event Reporting and Masking
AT+VIT = Timer DTE/DCE Inactivity Timer
AT+VGR=gain
AT+VNH = Hook Automatic Hang-up Control
AT+VTS=string
AT+VLS=label Analog Source/Destination Selection
AT+VTD=dur
Start voice transmission and reception process
AT+VSM=?
AT+VSD=sds, sdi Silence Detection Quiet and Silence
AT+VSM?
AT+VPR=rate Select DTE/DCE Interface Rate
AT+VRA=interval Ringback Goes Away Timer
AT+VRN=interval Ringback Never Appeared Timer
Events Reported to the DTE
AT+VTS=
DLE H
ATD
ATH
AT+VLS=7
AT+VLS=5
Example # 2 Initiating a stored number speakerphone call
AT+FCLASS=1
Example # 3 Answering a speakerphone call
Ring
ATA
Connect
Example # 6 Switching from speakerphone mode to TAD mode
AT+FCLASS=0
AT+VLS=1
DLE-R
Modem answers call
AT Dsvd Commands
Manufacturer Identification +GMI?
25ter AT Commands
25ter 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
USA
AT%T21,par#,paramvalue
Pulse dial make time 255
ATB
ATA, ATD
ATD , ATX
ATH1
Homologation Parameters
Par # Parameter Description Range Reference
Version
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 Spain
150 100 250
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
ATZ
XX-XXXDMOD