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Table of Contents
Multi-Tech Systems, Inc. SocketModem MT5634SMIxx Reference Guide (S000263C) 3
Contents
Chapter 1 – AT Commands, S-Registers and Result Codes ..................................................................5
Introduction ................................................................................................................................................5
AT Command Summary ............................................................................................................................6
AT Commands...........................................................................................................................................8
Escape AT Commands............................................................................................................................21
V.92 Commands ......................................................................................................................................22
S-Registers ..............................................................................................................................................28
Result Codes ...........................................................................................................................................31
Chapter 2 – Fax Class 1 and Class 1.0 Commands...............................................................................33
Fax I/O Processing ..................................................................................................................................33
DTE-to-Modem Transmit Data Stream ...............................................................................................33
Modem-to-DTE Receive Data Stream ................................................................................................33
Fax Mode Selection.............................................................................................................................34
Fax Origination....................................................................................................................................34
Fax Answering.....................................................................................................................................34
Fax Control Transmission ...................................................................................................................34
Fax Control Reception.........................................................................................................................35
Fax Data Transmission .......................................................................................................................36
Fax Data Reception.............................................................................................................................36
Commands and Parameters....................................................................................................................37
Mode Entry Commands.......................................................................................................................37
Mode Commands................................................................................................................................37
Service Class 1 Commands ....................................................................................................................41
Examples .................................................................................................................................................45
Chapter 3 – Fax Class 2 and 2.0/2.1 Commands ...................................................................................48
Introduction ..............................................................................................................................................48
AT Command Implementation .................................................................................................................49
Modes of Interaction ................................................................................................................................50
AT Command Mode ............................................................................................................................50
Command Execution Mode.................................................................................................................52
Data Transfer Mode ............................................................................................................................52
Commands and Responses Overview ....................................................................................................55
Action Commands...............................................................................................................................55
Modem Responses .............................................................................................................................56
Parameters for Mandatory Services....................................................................................................57
Parameters for Optional Services .......................................................................................................58
Identification Commands .........................................................................................................................59
Service Class Indication......................................................................................................................59
Service Class Capabilities...................................................................................................................59
Service Class Selection.......................................................................................................................60
Request Manufacturer Identification ...................................................................................................60
Request Model Identification...............................................................................................................60
Request Revision Identification...........................................................................................................60
Action Commands....................................................................................................................................61
Originate a Call....................................................................................................................................61
Answer a Call ......................................................................................................................................61
Data Transmission ..............................................................................................................................62
Post-Page Message Release..............................................................................................................62
Data Reception....................................................................................................................................63
Session Termination............................................................................................................................63
Initialize Facsimile Parameters ...........................................................................................................63
Modem Responses..................................................................................................................................64
T.30 Phase A Negotiation Responses ................................................................................................64