Multi-Tech Systems MT2456SMI22 manual 75TX/1200RX Is enabled

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			Chapter 4 - V.22bis Commands

	Code	Message	Meaning
	16	CONNECT 19200	The modem has connected to the line, the DTE speed is 19200 bps and DTE
			speed reporting is enabled.
	22	CONNECT	The modem has established a V.23 originate connection and line speed reporting
		75TX/1200RX	is enabled.
	23	CONNECT	The modem has established a V.23 answer connection and line speed reporting is
		1200TX/75RX	enabled.
	24	DELAYED	For X4, sent when a call fails to connect and the number dialed is considered
			'delayed' due to country blacklisting requirements.
	32	BLACKLISTED	For X4, sent when a call fails to connect and the number dialed is considered
			'blacklisted'.
	59	CONNECT 16800	The modem has connected to the line, the DTE speed is 16800 bps and DTE
			speed reporting is enabled.
	61	CONNECT 21600	The modem has connected to the line, the DTE speed is 21600 bps and DTE
			speed reporting is enabled.
	62	CONNECT 24000	The modem has connected to the line, the DTE speed is 24000 bps and DTE
			speed reporting is enabled.
	63	CONNECT 26400	The modem has connected to the line, the DTE speed is 26400 bps and DTE
			speed reporting is enabled.
	64	CONNECT 28800	The modem has connected to the line, the DTE speed is 28800 bps and DTE
			speed reporting is enabled.
	83	LINE IN USE	The modem attempted to go off-hook when an extension was already occupying
			the line.
	84	CONNECT 33600	The modem has connected to the line, the DTE speed is 33600 bps and the DTE
			speed reporting is enabled.
	91	CONNECT 31200	The modem has connected to the line DTE speed is 31200 bps and the modem is
			to report the DTE speed upon connecting.

Notes:

1. See Vn for result code selection, i.e., short form (result code) or verbose/extended (result message).

2. See Wn for extended connect message control.

3. See S95 for extended result code enabling options (which override some Wn commands).

4. See Xn for extended result code subset enabling options.

5. See \Vn for single line connect message enable options.

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

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Contents SocketModem PN S000281A, Version a Country By Email By PhoneContents Product Description Specifications Product DescriptionTechnical Specifications Speed ConversionPhysical Dimensions Maximum Component HeightPin Configurations Pin Descriptions3V DC Power Input High Input Low Handling Precautions3V and 5V Serial SocketModem Outputs Output High Output LowCall Control Commands Generic Modem Control CommandsDTE/DCE Commands Modulation Control CommandsFast Connect Command Error Control and Data Compression CommandsSynchronous Access Mode Commands Line Side Device CommandsOperating Mode 22bis Generic Modem Control CommandsSoft Reset and Restore Profile +VCID Caller ID CID+GCI Country of Installation IdentificationLocal Analog Loopback Test Restore Factory Configuration ProfileProcedure Load to Internal RAMQuiet Result Codes Control 22bis DTE/DCE-Modem Interface commandsCommand Echo Result Code FormConnect Ring No Carrier Error No Dial Tone Busy No Answer Extended Result CodesResult 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 VolumeSelect Guard Tone Display Current Configuration and Stored ProfilesMSpeaker Control Select Pulse Dial Make/Break RatioReport Line Signal Quality \V Single Line Connect Message EnableReport Line Signal Level Display Blacklisted NumbersBehavior in Data Mode Display Delayed NumbersNO. Phone Number -DELAY Syntax *D ExampleReporting Selected Values +PCW Call Waiting Enable+VDR Distinctive Ring +MS Modulation Selection 22bis Modulation Control CommandsTable of +MS Command Supported Rates SyntaxEnable/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 RemoteResult Codes OK 0 to 5 Error Otherwise Break ControlReporting 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 Response22bis S-Parameters Read/Write S-ParameterRegister Function Range/Units Default Summary of S-Parameter DefaultsAscii S2 Escape Character S0 Number of Rings to Auto-AnswerS1 Ring Counter S3 Carriage Return CharacterS12 Escape Prompt Delay EPD S8 Pause Time For Dial DelayS10 Lost Carrier To Hang Up Delay S9 Carrier Detect Response TimeS20 Reserved S16 Test Mode Bit Mapped Options StatusS19 Reserved S21 V.24/General Bit Mapped Options StatusS26 RTS to CTS Delay S24 Sleep Inactivity TimerS25 Delay To DTR Off S22 Speaker/Results Bit Mapped Options StatusS28 Bit Mapped Options Status S30 Disconnect Inactivity TimerS27 Bit Mapped Options Status S29 Flash Dial Modifier TimeS37 Desired Line Connection Speed S38 Delay Before Forced Hang UpS36 Lapm Failure Control S39 Flow Control Bit Mapped Options StatusS82 Break Handling Options S41 General Bit Mapped Options StatusS48 V.42 Negotiation Action S86 Call Failure Reason CodeS91 Pstn Transmit Attenuation Level S95 Extended Result Codes ControlCode Message Meaning 22bis Result CodesTable of Result Code Definitions Connect75TX/1200RX Is enabled Block Diagram Figure A-1. Serial Test/Demo Board Block DiagramCountry Country Code Product Safety and EMC ApprovalsCountry Certifications More plannedRegulatory Design Considerations Hardware ConsiderationsSafety SocketModem Placement Qty Name DescriptionMulti-Tech Systems, Inc. Compliance ComplianceTelecom Requirements for the United States Label Content and Format Label Physical CharacteristicsLabeling Continuity and Changes Telecommunications Regulations for CanadaOther Label Requirements New Zealand Telecom Warning Notice Industry CanadaInternational Modem Restrictions EMC, Safety, and R&TTE Directive ComplianceSouth African Statement Index Index