Multi-Tech Systems MT5634MSV manual AT Command Summary

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4 AT Commands, S-Registers, and Result Codes

AT Command Summary

Command:

AT

Attention Code

Values:

 

n/a

Description:

 

The attention code precedes all command lines except A/, A:,

 

 

and the escape sequence.

Command:

ENTER Key

Values:

 

n/a

Description:

 

Press the ENTER or RETURN key to execute most commands.

Command:

A

Answer

Values:

 

n/a

Description:

 

Answer an incoming call before the final ring.

Command:

A/

Repeat Last Command

Values:

 

n/a

Description:

 

Repeat the last command string. Do not precede this command

 

 

with AT. Do not press ENTER to execute.

Command:

Bn

Communication Standard Setting

Values:

 

n = 0–3, 15, 16

Default:

 

1 and 16

Description: B0 Select ITU-T V.22 mode when modem is at 1200 bps.

 

B1

Select Bell 212A when modem is at 1200 bps.

 

B2

Deselect V.23 reverse channel (same as B3).

 

B3

Deselect V.23 reverse channel (same as B2).

 

B15

Select V.21 when the modem is at 300 bps.

 

B16

Select Bell 103J when the modem is at 300 bps.

Command:

Cn

Carrier Control

Values:

 

n = 1

Default:

 

1

Description: C0 Transmit carrier always off. (Not supported.)

 

C1

Normal transmit carrier switching (included for backward

 

 

compatibility with some software).

Command:

Ds

Dial

Values:

 

s = dial string (phone number and dial modifiers)

Default:

 

none

Description:

 

Dial telephone number s, where s may up to 40 characters long

 

 

and include the 0–9, *, #, A, B, C, and D characters, and the L,

 

 

P, T, V, W, S, comma (,), semicolon (;), !, @, ^ and $ dial string

 

 

modifiers.

Dial string modifiers:

LRedial last number. (Must be placed immediately after

ATD.)

PPulse-dial following numbers in command.

TTone-dial following numbers in command (default).

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Contents User Guide FCC Part User Guide Record of Revisions Introduction Quick StartMessageSaver Operation PhoneTools AT Commands, S-Registers & Result CodesRemote Configuration Solving ProblemsAppendix C Loopback Tests Appendix a Regulatory ComplianceAppendix E Upgrade Procedures Appendix D Warranty, Service, and Technical SupportIntroduction Introduction Product Description How to Get a Copy of Your User Guide Related Manuals What Is in Your Modem Package?MessageSaver User Guide Quick Start We supply Safety WarningsIntroduction What You Will NeedMount the Feet Select Stereo or Mono SpeakerOpening the Modem Location of speaker jumper Changing the Speaker JumperConnect the Modem to Your System RS232 ConnectionLine Connection Microphone Connection Power ConnectionPower-On Test Phone ConnectionInstall the Modem in Windows Adding the Modem to WindowsRemoving Your Old Modem from Windows Install and Configure Your Software Call the Multi-Tech BBS Windows HyperTerminal Windows Terminal Microsoft Fax Send a FaxReferences Select Start Programs Accessories Fax Compose new faxMessageSaver User Guide MessageSaver Operation Independent Mode Functions PhoneTools FeaturesMessageSaver Operation Recording and Downloading an AnnouncementIndependent Mode Configuration Dialog Box Independent Mode Operation in PhoneToolsIndependent Mode Control dialog box Independent Mode Control Dialog BoxControl Buttons Independent Mode Operation Using the Front PanelIndicator Lights Stopping the Play of Voice Messages Adjusting Speaker VolumeAnswering a Call with the Speakerphone Playing Voice MessagesRemote Control Using the MessageSaver in Speakerphone ModeControlling the MessageSaver Remotely Remote Control Keys Activating Independent Mode RemotelyAT Commands Registers Result Codes AT Commands AT Command Summary Hook Control Echo Command Mode CharactersDS=y Dial Stored Telephone Number Echo Online Data CharactersModulation Handshake Monitor Speaker VolumeMonitor Speaker Mode Return Online to Data ModeTone Dialing Result Codes Enable/DisableSet Register Value Sr? Read Register ValueData Carrier Detect DCD Control Modem ResetLong Space Disconnect Auto Retrain22bis Guard Tone Control Load Factory SettingsCommunications Mode Asynchronous Communications ModeSelect Stored Configuration for Hard Reset Test CommandsDisplay Current Settings Store Current Configuration\Jn Data Buffer Control \An\Bn Transmit Break \Gn Modem Port Flow Control\Nn Error Correction Mode Selection \Tn Inactivity Timer\Qn Flow Control Selection Data Calling Tone DCn AT Command Control\Vn Protocol Result Code \Xn XON/XOFF Pass-ThroughCommand +++ATCR Escape Sequence Command +ES=n Enable Synchronous Buffered Mode#Sx Enter Setup Password #S=x Store Setup PasswordRegisters Register Unit Range Default DescriptionRegister Unit Range Default Description S37 Register Unit Range Default Description S42 Terse Verbose Description Result CodesBlacklist Full Remote Configuration Basic Procedure SetupChanging the Setup Password Changing the Remote Escape Character MessageSaver User Guide Solving Problems None of the Indicators Light Modem Does Not Respond to Commands Modem Dials But Cannot Connect Modem4Disconnects While Online Modem4Cannot Connect When Answering File Transfer4Is Slower Than It Should BeData Is Being Lost There Are Garbage4 Characters on the Monitor Modem4Doesn’t Work with Caller IDFax and Data4Software Can’t Run at the Same Time MessageSaver User Guide PhoneTools Installing PhoneTools Using PhoneTools’ Status Bar Phone ModuleMaking a Phone Call Making Quick Dial Entries Using the SpeakerphoneSetting up Answerphone Voice ModuleActivating and Deactivating Answerphone Setting Up the Answer/Record Mode Setting Up the Answer Only ModeListening to Received Messages in PhoneTools Listening to Received Messages from a Remote PhoneChanging Recording Parameters Recording an AnnouncementIndependent Mode Configuring and Controlling Independent Mode OperationHow Does It Work? Selecting an Announcement Activating and Configuring Independent ModeManaging Stored Documents Inbox Independent ModeFaxing a Document from a Windows Application Fax ModuleSending a Cover Faxing a File Directly from PhoneToolsViewing and Printing Faxes Adding a Logo to the CoverInbox Management Inbox and Outbox ManagementOutbox Management Selecting Records Phone BookCreating New Records Importing Existing RecordsUsing the Phone Book for Dialing Starting a Modem Connection Terminal Emulation ModuleCapturing Information to Disk Uploading Files to a Remote SystemSending a Data File Automatically Data File TransferReceiving a Data File Automatically Appendixes FCC Part 68 Telecom Appendix a Regulatory ComplianceRegulatory Compliance Fax Branding StatementCanadian Limitations Notice International Modem RestrictionsCommission Decision CTR21 New Zealand Telecom Warning Notice EMC and Safety ComplianceMessageSaver User Guide Appendix B Technical Specifications Carrier Frequencies Frequency Stability MessageSaver User Guide Local Analog Loopback Test V.54 Loop Test procedureFigure C-2. Remote digital loopback test Remote Digital Loopback Test V.54 LoopFigure C-3. Local digital loopback test Local Digital Loopback Test V.54 LoopMessageSaver User Guide Service Limited WarrantyOnline Warranty Registration Technical SupportMulti-Tech BBS About the Internet Modem Accessories About the Multi-Tech Fax-Back ServiceSupplyNet Online Ordering Instructions Identify the Modem Firmware Upgrade OverviewIdentify the Current Firmware Version Multi-Tech Web SiteMulti-Tech BBS Download the Upgrade File Extract the Upgrade FilesClear Your Stored Paramenters Restore Your Parameters Upgrade the Modem’s FirmwareIndex Symbols Index 106