Multitech MT5600BA-V92 At Commands Reference Manual
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Multitech MT5600BA-V92 At Commands Reference Manual

Multi-tech multimodem ii mt5600ba-v92 data-fax modem: reference guide
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MultiModem
II
MT5600BA-V92
MT5600BR-V92
MT5656ZDX
MT5656ZDXV
AT Commands
Reference Guide

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  • Page 1 ® MultiModem MT5600BA-V92 MT5600BR-V92 MT5656ZDX MT5656ZDXV AT Commands Reference Guide...
  • Page 2 All rights reserved. This publication may not be reproduced. Copyright © 2003–2007 by Multi-Tech Systems, Inc. Multi-Tech Systems, Inc. makes no representations or warranties with respect to the contents hereof and specifically disclaims any implied warranties of merchantability or fitness for any particular purpose. Furthermore, Multi-Tech Systems, Inc.

  • Page 3: Table Of Contents

    Chapter 5 – V.25bis Commands...41 V.25bis Responses ...42 Chapter 6 – S-Registers...43 S-Registers ...43 Chapter 7 – Result Codes...46 Chapter 8 – Setting Country/Regional Codes...51 Index...52 Multi-Tech Systems, Inc. AT Commands Reference Guide (S000273F) Table of Contents Table of Contents...

  • Page 4: Chapter 1 - Introduction

    The most familiar command string is the initialization string, which is used to configure the modem when it is turned on or reset, or when your communications software calls another modem. Multi-Tech Systems, Inc. AT Commands Reference Guide (S000273F) Chapter 1 – Introduction...

  • Page 5: Chapter 2 - At Commands

    S7 (US models), the modem aborts the rest of the sequence and hangs up. The character should follow the phone number and precede the user’s calling card number; e.g., ATDT1028806127853500&123456789. Multi-Tech Systems, Inc. AT Commands Reference Guide (S000273F) Chapter 2 – AT Commands...
  • Page 6 Exit online command mode and return to online data mode after a retrain. Command: Pulse Dialing Values: Default: Description: Forces pulse (non-touch-tone) dialing until a T command or T dial modifier is received. Multi-Tech Systems, Inc. AT Commands Reference Guide (S000273F) Chapter 2 – AT Commands atL5 &E2 &E3 &E15 $SB115200...
  • Page 7 Sends all messages, including NO DIALTONE and BUSY. Note: In fax mode, the only message sent to indicate a connection is CONNECT without a speed indication. See also the \V command. Multi-Tech Systems, Inc. AT Commands Reference Guide (S000273F) Chapter 2 – AT Commands...
  • Page 8 For use with MT5600BA and MT5600BR only. Values: n = 0, 1, or 2 Default: Description: &E0 V.42 non-error correction mode (V.42 disabled). &E1 V.42 auto-reliable mode. &E2 V.42 reliable mode (V.42 enabled). Multi-Tech Systems, Inc. AT Commands Reference Guide (S000273F) Chapter 2 – AT Commands...
  • Page 9 A call is manually initiated while DTR is inactive; when it becomes active, the handshake proceeds in originate or answer mode according to S14 bit 7. Multi-Tech Systems, Inc. AT Commands Reference Guide (S000273F) For use with the MT5656ZDX and MT5656ZDX-V only. Selects synchronous...
  • Page 10 &V0 Displays the current (active) configuration.&V1 Displays statistics for the last connection. Not available in all versions. Note: See also the L5 command. (L5 is not supported in MT5656ZDX). Multi-Tech Systems, Inc. AT Commands Reference Guide (S000273F) Chapter 2 – AT Commands...
  • Page 11 This command controls both V.42bis and MNP-5 data compression, whereas the &E14 and &E15 commands control only V.42bis data compression. The command in effect is the one last entered. Multi-Tech Systems, Inc. AT Commands Reference Guide (S000273F) Chapter 2 – AT Commands...
  • Page 12 = 0–9 in 100 ms units Default: Description: In non-error-correction mode only, sends a break signal of the specified length to a remote modem. Works in conjunction with the \K command. Multi-Tech Systems, Inc. AT Commands Reference Guide (S000273F) Chapter 2 – AT Commands...
  • Page 13 0, 1, 2, 8 Default: None Description: Data Fax – Class 1, Class 1.0 Fax – Class 2, 2.0, 2.1 Voice Commands Multi-Tech Systems, Inc. AT Commands Reference Guide (S000273F) corrected connection: Note: Chapter 2 – AT Commands -K1 can override \N4.
  • Page 14 The parameter selects the settings for any operational parameters that need to be adjusted for national regulations or telephone networks. Syntax: +GCI=<region_code>Defined Values: <region_code>Example: Euro/Nam = B5. For a list of regions/countries approvals and codes, see the Multi-Tech Web site at: http://www.multitech.com/PRODUCTS/Info/approvals Default: If the modem is specified for use in only one country, the country code is the default.
  • Page 15 $SB38400 $SB57600 $SB115200 Sets serial port to 115200 bps. Note: See also the L5 command. Multi-Tech Systems, Inc. AT Commands Reference Guide (S000273F) Disables DTR dialing. Enables DTR dialing. Disables key abort. Enables key abort. Sets serial port to 300 bps.

  • Page 16: Escape Commands

    S-Register S13. Notes: The Escape Remote Configuation command (*E) must be issued while online with the remote modem. Remote Configuration is initiated by using the command: Multi-Tech Systems, Inc. AT Commands Reference Guide (S000273F) Chapter 2 – AT Commands...

  • Page 17: Modem Connection Commands

    OK 0 - 2 in V.92 Mode (+MS=V.92) ERROR Otherwise Report Commands: +PSS? Reports selected values. +PSS=? Reports supported range of parameter values. Multi-Tech Systems, Inc. AT Commands Reference Guide (S000273F) Displays the currrent values. Disables PCM upstream. Enables PCM upstream. Displays the allowed values.
  • Page 18 Report Commands: -QCPS? -QCPS=? Reports supported range of parameter values Multi-Tech Systems, Inc. AT Commands Reference Guide (S000273F) Decimal number corresponding to the desired operation. Do not allow the quick connect profile to be saved. Allow the quick connect profile to be saved. Default Reports selected value Chapter 2 –...

  • Page 19: Caller Id Commands

    #DB0 Disables callback security. #DB1 Enables callback security. Multi-Tech Systems, Inc. AT Commands Reference Guide (S000273F) Displays the current values. date, time, name, and telephone number. Displays Caller ID information of the last call received.

  • Page 20: Data Compression Commands

    <compress_negotiation> The decimal number that specifies whether or not the modem <capability> The decimal number that specifies the use of stream method, packet Multi-Tech Systems, Inc. AT Commands Reference Guide (S000273F) Specifies the desired direction(s) of operation of the data compression function;...

  • Page 21: Error Control Commands

    +ES=[<orig_rqst>[,<orig_fbk>[,<ans_fbk>]]] Subparameters: <orig_rqst> Decimal number which specifies the initial requested mode of operation Multi-Tech Systems, Inc. AT Commands Reference Guide (S000273F) maximum number of code words which should be negotiated in the transmit direction. Default = 2048 maximum number of code words which should be negotiated in the receive direction.
  • Page 22 Report Commands: +ETBM? +ETBM=? Reports supported range of parameter values. Multi-Tech Systems, Inc. AT Commands Reference Guide (S000273F) when the modem is operating as the originator. LAPM, MNP, or Normal Mode error control optional. Default LAPM, MNP, or Direct Mode error control optional.

  • Page 23: Dte Commands

    (auto detected from previous command line). Syntax: +ILRR: <rate>[,<rx_rate>]. Reported Rate Values: <rate> <rx_rate> Multi-Tech Systems, Inc. AT Commands Reference Guide (S000273F) the modem. 0None. XON/XOFF on transmitted data; do not pass XON/XOFF characters to remote modem. Circuit 133 (RR). Default...

  • Page 24: Modulation Command

    +MRR: Report Syntax: Response: +MRR: <tx_rate>,<rx_rate> <tx_rate> <rx_rate> Multi-Tech Systems, Inc. AT Commands Reference Guide (S000273F) A decimal number corresponding to the selected option: Disables reporting of modulation connection (+MCR: and +MRR: are not transmitted). Default Enables reporting of modulation connection (+MCR: and +MRR: are transmitted with tx rate, rx rate).

  • Page 25: Call Control Command

    GSTN Clear down to the remote modem and then go on-hook. The modem will then send a NO CARRIER message to the DTE. A result code of 25 will be left in S86 register. Multi-Tech Systems, Inc. AT Commands Reference Guide (S000273F) Remote Hangup Extension Pickup...
  • Page 26 AT+VSM=1,8000 AT+VTX Starts to play greeting message <DLE>P User picks up extension <DLE>! DTE send abort to end playback AT+VLS=0 DTE hangs up. Continued on next page. Multi-Tech Systems, Inc. AT Commands Reference Guide (S000273F) Chapter 2 – AT Commands...

  • Page 27: Test Command

    Starts local analog loopback, V.54 Loop 3, with self-test. If a connection exists, the modem hangs up before the test begins. When the test is terminated, the number of detected errors is reported to the computer. Multi-Tech Systems, Inc. AT Commands Reference Guide (S000273F) Chapter 2 – AT Commands...

  • Page 28: Chapter 3 - Voice Commands

    +FCLASS=8. (See the Generic Modem Control section for the definition of the FCLASS command.) Command: +VCID Caller ID See +VCID for Caller ID in Chapter 2. Multi-Tech Systems, Inc. AT Commands Reference Guide (S000273F) Chapter 3 – Voice Commands...
  • Page 29 +FLO=1 +FLO=2 +FLO=3-255 Multi-Tech Systems, Inc. AT Commands Reference Guide (S000273F) Decimal number corresponding to the selected option. Modem enables automatic hang ups as is normal in other modes. Modem disables automatic hang ups usually found in the other non- voice modes.

  • Page 30: Voice Commands

    See the highlighted text for a discussion of defaults. Values: <string> Report Command: Multi-Tech Systems, Inc. AT Commands Reference Guide (S000273F) The tone generation consists of elements in a list where each element is separated by a comma. Each element can be: •...
  • Page 31 Values: <level> Default: Report Commands: +VGT? +VGT=? Multi-Tech Systems, Inc. AT Commands Reference Guide (S000273F) AT+VTS= {!,30},1,2,[1000,1300,50],!,{*,6},[800,1300,50],9 AT+VTS=1,2,[1000,1300,50],[800],9 AT+VTS=1,[,,50],2,[ ],9 Reports current or selected values. Reports supported range of parameter values. Decimal number corresponding to the volume level. Range = 0-255.
  • Page 32 ERROR The <label> value is out of range, or if the modem cannot service the request in the <label> subparameter. Multi-Tech Systems, Inc. AT Commands Reference Guide (S000273F) Decimal number corresponding to the time in units of 1.0 second. A value of 0 disables the timer. Range = 0-255.
  • Page 33 <interval> Default: Interval of 50 (5 seconds) Report Commands: +VRA? +VRA=? Multi-Tech Systems, Inc. AT Commands Reference Guide (S000273F) Local Phone. Telephone Line. Internal Microphone. Internal Speaker. External Microphone and Speaker combination (handset or headset). Decimal number (0-255) specifying the silence interval time in units of 0.10 second between the end of one ring interval and the start of the next ring interval.
  • Page 34 Report Commands: +VSM? +VSM=? Multi-Tech Systems, Inc. AT Commands Reference Guide (S000273F) Decimal number specifying the time period, in units of 1.0 second, that the modem will wait for Ringback during call origination. A value of 0 forces the modem to report the OK result code immediately after dialing.
  • Page 35 Defaults: Report Commands: +VDT? +VDT=? Multi-Tech Systems, Inc. AT Commands Reference Guide (S000273F) Decimal number specifying the default DTMF/tone generation duration in units of 0.01 second. A value of 0 specifies the value entered by the S11 parameter (50-255 ms).
  • Page 36 Report Commands: +VPR? +VPR=? Multi-Tech Systems, Inc. AT Commands Reference Guide (S000273F) Decimal number corresponding to the DTE/modem interface rate where 0 = autobaud rate determined by processing the AT command, and 1,2,3,4,8,16,24,48,96 correspond to multipliers of 2400 bps to determine the...

  • Page 37: Speakerphone Commands

    <gain> Default: Report Commands: +VGS +VGS=? Multi-Tech Systems, Inc. AT Commands Reference Guide (S000273F) Decimal number corresponding to the selected option. The speakerphone function is OFF. Default The speakerphone function is ON. Reports current of selected values. Reports supported range of parameter values.

  • Page 38: Unformatted Form Reporting - Caller Id

    Event Number 4 (DTMF 3). (34) Event Number 4 (DTMF 4). (35) Event Number 4 (DTMF 5). (36) Event Number 4 (DTMF 6). (37) Event Number 4 (DTMF 7). Multi-Tech Systems, Inc. AT Commands Reference Guide (S000273F) Chapter 3 – Voice Commands...
  • Page 39 Event Number 48 (manufacturer specific). (27) Event Number 49 (manufacturer specific). (28) Event Number 50 (manufacturer specific). (29) Event Number 51 (manufacturer specific). all other 7-=bit ASCII Reserved for future use. Multi-Tech Systems, Inc. AT Commands Reference Guide (S000273F) Chapter 3 – Voice Commands...

  • Page 40: Chapter 4 - V.8 / V.8Bis Commands

    Example: +A8I:0 The modem timed out waiting for CI. +A8I:X YYY Multi-Tech Systems, Inc. AT Commands Reference Guide (S000273F) Decimal number which enables/disables issuance of +A8x indications during modem-controlled V.8 origination negotiation. Enable DCE-controlled V.8 origination negotiation without +A8x indications. Default Enable DCE-controlled V.8 origination negotiation with +A8x...

  • Page 41: Chapter 5 - V.25Bis Commands

    Command: PRIa;s Program Identification Number Description: Dummy Command (just returns VAL). Command: RLD List Request of Delayed Call Number Description: Returns current listing of Delayed numbers. Values: n/a. Multi-Tech Systems, Inc. AT Commands Reference Guide (S000273F) Chapter 5 – V.25bis Commands...

  • Page 42: V.25Bis Responses

    Call answered but no answer tone No answer Delayed call Incoming call (RING) A valid V.25bis command has been attempted Invalid CNXs Connection with s as the speed connected Multi-Tech Systems, Inc. AT Commands Reference Guide (S000273F) Chapter 5 – V.25bis Commands...

  • Page 43: Chapter 6 - S-Registers

    0–255 10 ms (async) 0–255 5 10 ms 0–255 Multi-Tech Systems, Inc. AT Commands Reference Guide (S000273F) Description Number of Rings to Auto-Answer: Sets the number of rings required before the modem automatically answers a call. ATS0=0 disables autoanswer completely.
  • Page 44 0, 7, decimal 0, 3–23 Multi-Tech Systems, Inc. AT Commands Reference Guide (S000273F) Description On Hook Time: Sets the length of time that the modem goes on-hook when it encounters a flash dial modifier (!) in the dialing string.
  • Page 45 Range Default decimal 0–255 Multi-Tech Systems, Inc. AT Commands Reference Guide (S000273F) Description Extended Result Codes Control: A bit set to a 1 in this register, in conjunction with the W command, enables the corresponding result code. The +MR, +ER, and +DR settings also control S95 bits 2, 3, and 5respectively.

  • Page 46: Chapter 7 - Result Codes

    Connected at 9600 bps and speed reporting enabled. Modem connects to the line; either the line speed is 9600 bps with DCE speed reporting enabled, or the DTE speed is 9600 bps and the DTE speed reporting is enabled. Multi-Tech Systems, Inc. AT Commands Reference Guide (S000273F) Chapter 7 – Result Codes...
  • Page 47 CONNECT 26400 Connected at 26400 bps and DTE speed reporting enabled. Modem connects to the line, the DTE speed is 26400 bps and DTE speed reporting is enabled. Multi-Tech Systems, Inc. AT Commands Reference Guide (S000273F) Chapter 7 – Result Codes...
  • Page 48 (See S95, Xn.) +MRR: 50000 Connected at 50000 bps. Modem connects to the line at 50000 bps and carrier reporting is enabled. (See S95, Xn.) Multi-Tech Systems, Inc. AT Commands Reference Guide (S000273F) Chapter 7 – Result Codes...
  • Page 49 CONNECT 54667 Connected at 54667 bps. Modem connects to the line at 54667 bps and DCE speed reporting is enabled. +MRR: 28000 Connected at 28000 bps. Modem connects to the line at 28000 bps and carrier reporting is enabled. (See S95, Xn) Multi-Tech Systems, Inc. AT Commands Reference Guide (S000273F) Chapter 7 – Result Codes...
  • Page 50 See S95 for extended result code enabling options (which override some Wn commands). See Xn for extended result code subset enabling options. See \Vn for single line connect message enable options. See +MR for modulation reporting control. Multi-Tech Systems, Inc. AT Commands Reference Guide (S000273F) Chapter 7 – Result Codes...

  • Page 51: Chapter 8 - Setting Country/Regional Codes

    View the List of Available Country/Regional Codes by executing the command AT+GCI=?<CR> Set and save the code by executing the command AT+GCI=nn<CR> Note: nn is the country/regional code. See the country/regional code list on the Multi-Tech Web site OK is displayed. The country code is then displayed (see the example below).

  • Page 52: Index

    +ER – Error Control Reporting ...21 +ESR – Selective Reject ...22 +ETBM – Call Termination Buffer Management ...22 +FCLASS= – Display Current Fax Class ...13 Multi-Tech Systems, Inc. AT Commands Reference Guide (S000273F) Index +FCLASS=8 – Select Voice Mode...28 +FLO – Flow Control ...29 +GCI –...
  • Page 53 Countries or regions supported ...51 Country/Region of Installation – +GCI...14 Country/Regional Codes Setting ...51 Multi-Tech Systems, Inc. AT Commands Reference Guide (S000273F) Data Carrier Detect (DCD) Control – &Cn...8 Data Compression – +DS ...20 Data Compression Control – %Cn ...11 Data Compression Reporting –...
  • Page 54 Select DTE/Modem Interface Rate (Turn Off Autobaud) – +VPR ...36 Select Profile for Hard Reset – &Yn ...11 Multi-Tech Systems, Inc. AT Commands Reference Guide (S000273F) Select Register – Sr ...7 Select Voice Mode – +FCLASS=8 ...28 Selective Reject – +ESR ...22 Send Voice Tone(s) –...
  • Page 55 +VSD – Silence Detection (Quiet and Silence)...34 +VSM – Compression Method Selection ...34 +VTD – Beep Tone Duration Timer ...35 Multi-Tech Systems, Inc. AT Commands Reference Guide (S000273F) +VTS – Send Voice Tone(s)...30 +VTX – Start Modem Transmit (Playback) ...31 Voice Configuration Commands +FCLASS=8 –...

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