Multi-Tech Systems MT2456SMI22 manual MSpeaker Control, Select Guard Tone, Result Code Example

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Chapter 4 - V.22bis Commands

MSpeaker Control

This command selects when the speaker will be on or off. The parameter value, if valid, is written to S22 bits 2 and 3. Syntax M<value>

Defined Values

<value> Decimal number corresponding to the selected option.

0Speaker is always off.

1Speaker is on during call establishment, but off when receiving carrier. (Default)

2Speaker is always on.

3Speaker is off when receiving carrier and during dialing, but on during answering. Result Codes OK <value> = 0 to 3

ERROR Otherwise

&G Select Guard Tone

This command causes the modem to generate the guard tone selected by this command (DPSK modulation modes only). The parameter value, if valid, is written to S23 bits 6 and 7.

Syntax &G<value>

Defined Values

<value> Decimal number corresponding to the selected option.

0Disables guard tone. (Default)

1Disables guard tone.

2Selects 1800 Hz guard tone.

This command may not be permitted in some countries.

Result Codes OK <value> = 0 to 2

ERROR Otherwise

&P Select Pulse Dial Make/Break Ratio

This command determines the make/break ratio used during pulse dialing. It is only effective if the appropriate bit to enable this command is set through the country profile.

The default is country-dependent. The parameter value, if valid, is written to S28 bits 3 and 4. Syntax &P<value>

Defined Values

<value> Decimal number corresponding to the selected option.

0Selects 39%-61% make/break ratio at 10 pulses per second. (Default)

1Selects 33%-67% make/break ratio at 10 pulses per second.

2Selects 39%-61% make/break ratio at 20 pulses per second.

3Selects 33%-67% make/break ratio at 20 pulses per second.

Result Codes OK <value> = 0 to 3

ERROR Otherwise


&V	Display Current Configuration and Stored Profiles
This command reports the current (active) configuration.
Result Code		OK
Example:

AT&V

ACTIVE PROFILE:

B1 E1 L1 M1 N0 QO T V1 W0 X4 Y0 &C1 &D2 &G0 &J0 &K3 &Q5 &R1 &S0 &T5 &X0

S00:000 S01:000 S02:043 S03:013 S04:010 S05:008 S06:002 S07:050 S08:002 S09:006

S10:014 S11:085 S12:050 S18:000 S25:005 S26:001 S36:007 S38:020 S46:138

S48:007 S95:000

OK

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

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Contents SocketModem Country By Email By Phone PN S000281A, Version aContents Product Description Product Description SpecificationsSpeed Conversion Technical SpecificationsMaximum Component Height Physical DimensionsPin Descriptions Pin Configurations3V DC Power Outputs Output High Output Low Handling Precautions3V and 5V Serial SocketModem Input High Input LowModulation Control Commands Generic Modem Control CommandsDTE/DCE Commands Call Control CommandsLine Side Device Commands Error Control and Data Compression CommandsSynchronous Access Mode Commands Fast Connect Command+VCID Caller ID CID 22bis Generic Modem Control CommandsSoft Reset and Restore Profile Operating ModeIdentification +GCI Country of InstallationLoad to Internal RAM Restore Factory Configuration ProfileProcedure Local Analog Loopback TestResult Code Form 22bis DTE/DCE-Modem Interface commandsCommand Echo Quiet Result Codes ControlExtended Result Codes Connect Ring No Carrier Error No Dial Tone Busy No AnswerDTR Option Short Form Long Form Value in ATXn CommandRlsd Option Result Codes OK 0 or+IFC DTE-Modem Local Flow Control RTS/CTS Option\G Modem-to-Modem Flow Control XON/XOFF EM Shielding Data +IBC In Band CommandsEntering and Exiting In Band Active State Band Processing of AT Commands Command Hex Codes Description Supported DTE-to-DCE CommandsSupported DCE-to-DTE Commands Dial Modifiers 22bis Call Control CommandsDial Speaker Volume Set Tone Dial DefaultResult Code Set Pulse Dial Default Return to On-Line Data ModeSelect Pulse Dial Make/Break Ratio Display Current Configuration and Stored ProfilesMSpeaker Control Select Guard ToneDisplay Blacklisted Numbers \V Single Line Connect Message EnableReport Line Signal Level Report Line Signal QualitySyntax *D Example Display Delayed NumbersNO. Phone Number -DELAY Behavior in Data Mode+VDR Distinctive Ring +PCW Call Waiting EnableReporting Selected Values Syntax 22bis Modulation Control CommandsTable of +MS Command Supported Rates +MS Modulation SelectionITU-T or Bell Enable/Disable Line Quality Monitor and Auto-Retrain\B Transmit Break to Remote 22bis Error Control and Data Compression Commands+ESR Selective Repeat +ETBM Call Termination Buffer ManagementBreak Control Result Codes OK 0 to 5 Error Otherwise+ESA? 22bis Synchronous Access Mode Commands+ESA Configure Synchronous Access Submode Reporting Selected Options+ITF? Transmit Flow Control ThresholdsSyntax $Fn Defined Values 22bis FastConnect Command$F Fast Connect Control Response 22bis Line Side Device CommandsThreshold Adjustments for Telephony Extension TRV Tip and Ring Voltage MeasurementRead/Write S-Parameter 22bis S-ParametersAscii Summary of S-Parameter DefaultsRegister Function Range/Units Default S3 Carriage Return Character S0 Number of Rings to Auto-AnswerS1 Ring Counter S2 Escape CharacterS9 Carrier Detect Response Time S8 Pause Time For Dial DelayS10 Lost Carrier To Hang Up Delay S12 Escape Prompt Delay EPDS21 V.24/General Bit Mapped Options Status S16 Test Mode Bit Mapped Options StatusS19 Reserved S20 ReservedS22 Speaker/Results Bit Mapped Options Status S24 Sleep Inactivity TimerS25 Delay To DTR Off S26 RTS to CTS DelayS29 Flash Dial Modifier Time S30 Disconnect Inactivity TimerS27 Bit Mapped Options Status S28 Bit Mapped Options StatusS39 Flow Control Bit Mapped Options Status S38 Delay Before Forced Hang UpS36 Lapm Failure Control S37 Desired Line Connection SpeedS86 Call Failure Reason Code S41 General Bit Mapped Options StatusS48 V.42 Negotiation Action S82 Break Handling OptionsS95 Extended Result Codes Control S91 Pstn Transmit Attenuation LevelConnect 22bis Result CodesTable of Result Code Definitions Code Message Meaning75TX/1200RX Is enabled Figure A-1. Serial Test/Demo Board Block Diagram Block DiagramMore planned Product Safety and EMC ApprovalsCountry Certifications Country Country CodeHardware Considerations Regulatory Design ConsiderationsSafety Qty Name Description SocketModem PlacementTelecom Requirements for the United States ComplianceMulti-Tech Systems, Inc. Compliance Label Physical Characteristics Label Content and FormatOther Label Requirements Telecommunications Regulations for CanadaLabeling Continuity and Changes Industry Canada New Zealand Telecom Warning NoticeSouth African Statement EMC, Safety, and R&TTE Directive ComplianceInternational Modem Restrictions Index Index