Generic Modem Control Commands | Multi-Tech Systems MT2456SMI22

Chapter 4 - V.22bis Commands

Chapter 4 - V.22bis Commands, S-

Registers, and Result Codes

The V.22bis Commands are covered in the following order in this chapter:

Generic Modem Control Commands

Z	Soft Reset and Restore Profile
+VCID	Caller ID
+VRID	Report Retrieved Called ID
\N	Operating Mode - Error Correction
I	Identification
+GCI	Country of Installation
&F	Restore Factory Configuration (Profile)
&T	Local Analog Loopback Test

**Load to Internal RAM

DTE/DCE Commands

E	Echo
Q	Quiet Result Codes

VResult Code Form

WConnect Message Control

XExtended Result Codes (& Call Progress Information)

&C	RLSD Option
&D	DTR Option
&K	Flow Control
&R	RTS/CTS Option
\G	Modem-to-Modem Flow Control (XON/XOFF)
+IFC	DTE-Modem Local Flow Control
+IBC	In Band Commands
Call Control Commands
D	Dial
T	Set Tone Dial (Default)
P	Set Pulse Dial
A	Answer
H	Disconnect (Hang Up)
O	Return to On-line Data Mode
L	Monitor Speaker Volume
M	Monitor Speaker Mode Control
&G	Select Guard Tone
&P	Select Pulse Dial Make/Break Ratio
&V	Display Current Configuration and Stored Profiles
%L	Report Line Signal Level
%Q	Report Line Signal Quality
*B	Display Blacklisted Numbers
*D	Display Delayed Numbers
-STE	Set Telephony Extension
+PCW	Call Waiting Enable
+VDR	Distinctive Ring
Modulation Control Commands
+MS	Modulation Selection
%E	Enable/Disable Line Quality Monitor
B	ITU-T or Bell

Multi-Tech Systems, Inc. MT2456SMI-22 SocketModem Developer’s Guide

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Multi-Tech Systems MT2456SMI22 manual Generic Modem Control Commands, DTE/DCE Commands, Call Control Commands

Contents

SocketModem PN S000281A, Version a Country By Email By Phone Contents Product Description Specifications Product Description Technical Specifications Speed Conversion Physical Dimensions Maximum Component Height Pin Configurations Pin Descriptions 3V DC Power Input High Input Low Handling Precautions3V and 5V Serial SocketModem Outputs Output High Output Low Call Control Commands Generic Modem Control CommandsDTE/DCE Commands Modulation Control Commands Fast Connect Command Error Control and Data Compression CommandsSynchronous Access Mode Commands Line Side Device Commands Operating Mode 22bis Generic Modem Control CommandsSoft Reset and Restore Profile +VCID Caller ID CID +GCI Country of Installation Identification Local Analog Loopback Test Restore Factory Configuration ProfileProcedure Load to Internal RAM Quiet Result Codes Control 22bis DTE/DCE-Modem Interface commandsCommand Echo Result Code Form Connect Ring No Carrier Error No Dial Tone Busy No Answer Extended Result Codes Result Codes OK 0 or Short Form Long Form Value in ATXn CommandRlsd Option DTR Option \G Modem-to-Modem Flow Control XON/XOFF RTS/CTS Option+IFC DTE-Modem Local Flow Control Entering and Exiting In Band Active State +IBC In Band CommandsEM Shielding Data Supported DCE-to-DTE Commands Command Hex Codes Description Supported DTE-to-DCE CommandsBand Processing of AT Commands Dial 22bis Call Control CommandsDial Modifiers Return to On-Line Data Mode Set Tone Dial DefaultResult Code Set Pulse Dial Default Speaker Volume Select Guard Tone Display Current Configuration and Stored ProfilesMSpeaker Control Select Pulse Dial Make/Break Ratio Report Line Signal Quality \V Single Line Connect Message EnableReport Line Signal Level Display Blacklisted Numbers Behavior in Data Mode Display Delayed NumbersNO. Phone Number -DELAY Syntax *D Example Reporting Selected Values +PCW Call Waiting Enable+VDR Distinctive Ring +MS Modulation Selection 22bis Modulation Control CommandsTable of +MS Command Supported Rates Syntax Enable/Disable Line Quality Monitor and Auto-Retrain ITU-T or Bell +ETBM Call Termination Buffer Management 22bis Error Control and Data Compression Commands+ESR Selective Repeat \B Transmit Break to Remote Result Codes OK 0 to 5 Error Otherwise Break Control Reporting Selected Options 22bis Synchronous Access Mode Commands+ESA Configure Synchronous Access Submode +ESA? Transmit Flow Control Thresholds +ITF? $F Fast Connect Control 22bis FastConnect CommandSyntax $Fn Defined Values TRV Tip and Ring Voltage Measurement 22bis Line Side Device CommandsThreshold Adjustments for Telephony Extension Response 22bis S-Parameters Read/Write S-Parameter Register Function Range/Units Default Summary of S-Parameter DefaultsAscii S2 Escape Character S0 Number of Rings to Auto-AnswerS1 Ring Counter S3 Carriage Return Character S12 Escape Prompt Delay EPD S8 Pause Time For Dial DelayS10 Lost Carrier To Hang Up Delay S9 Carrier Detect Response Time S20 Reserved S16 Test Mode Bit Mapped Options StatusS19 Reserved S21 V.24/General Bit Mapped Options Status S26 RTS to CTS Delay S24 Sleep Inactivity TimerS25 Delay To DTR Off S22 Speaker/Results Bit Mapped Options Status S28 Bit Mapped Options Status S30 Disconnect Inactivity TimerS27 Bit Mapped Options Status S29 Flash Dial Modifier Time S37 Desired Line Connection Speed S38 Delay Before Forced Hang UpS36 Lapm Failure Control S39 Flow Control Bit Mapped Options Status S82 Break Handling Options S41 General Bit Mapped Options StatusS48 V.42 Negotiation Action S86 Call Failure Reason Code S91 Pstn Transmit Attenuation Level S95 Extended Result Codes Control Code Message Meaning 22bis Result CodesTable of Result Code Definitions Connect 75TX/1200RX Is enabled Block Diagram Figure A-1. Serial Test/Demo Board Block Diagram Country Country Code Product Safety and EMC ApprovalsCountry Certifications More planned Regulatory Design Considerations Hardware Considerations Safety SocketModem Placement Qty Name Description Multi-Tech Systems, Inc. Compliance ComplianceTelecom Requirements for the United States Label Content and Format Label Physical Characteristics Labeling Continuity and Changes Telecommunications Regulations for CanadaOther Label Requirements New Zealand Telecom Warning Notice Industry Canada International Modem Restrictions EMC, Safety, and R&TTE Directive ComplianceSouth African Statement Index Index