Maxim Integrated Teridian V.22 bis Linux Softmodem for 73M1822/73M1922 MicroDAA - Manual (Page 3)

UG_1x22_043 V.22 bis Linux Softmodem for 73M1x22 MicroDAA User Guide
Rev. 1.5 3
Table of Contents
1 Introduction ............................................................................................................................... 6
1.1 Use of this Document ................................................................................................................... 6
1.2 Language and Terminology ......................................................................................................... 6
1.3 Registered Trademarks ............................................................................................................... 6
2 User Guide ................................................................................................................................. 7
2.1 The AT Command Format ........................................................................................................... 7
2.2 S-Registers ................................................................................................................................ 20
2.2.1 S-Register Overview ...................................................................................................... 20
S0 Auto Answer .................................................................................................... 21
S1 Ring Count ...................................................................................................... 21
S2 Escape Code Character .................................................................................. 21
S3 Carriage Return Character .............................................................................. 21
S4 Line Feed Character ....................................................................................... 22
S5 Backspace Character ...................................................................................... 22
S6 Wait Before Blind Dial ..................................................................................... 22
S7 Wait For Carrier After Dial ............................................................................... 22
S8 Pause Time For Comma ................................................................................. 23
S9 Carrier Detect Response Time ....................................................................... 23
S10 Lost Carrier Hang Up Delay ............................................................................ 23
S99 Preset Country Selection ................................................................................ 24
S11 DTMF Ton/Toff Dialing Speed ........................................................................ 24
S12 DTMF / Twist Dial Register ............................................................................. 25
S13 DTMF-Data / Transmit Attenuation ................................................................. 26
S85 DTMF- DAC transmit level coefficient ............................................................. 26
S32 Pulse Dial Make Time ..................................................................................... 27
S33 Pulse Dial Break Time ..................................................................................... 27
S34 Pulse Dial Inter-digit Time ............................................................................... 27
S72 Pulse Map \ CID control \ Black Listing control ............................................... 27
S92 Status Register 4 ............................................................................................. 28
S86 Flash (!) / On Time .......................................................................................... 28
S87 Flash (!) / Off Time .......................................................................................... 28
S120 Accepted Answer Tone Frequencies .............................................................. 28
S121 Answer Tone Qualify Time .............................................................................. 29
S29 Extended Result Code/ Cadence Status ................................................. 29
S73 Configuration and Status Register 1 ............................................................... 30
S66 Dial Tone / Wait For Dial Tone Time ............................................................... 30
S67 Dial Tone / Qualify Dial Tone Time ................................................................. 30
S35 Dial Tone / Cadence A Minimum On Time ..................................................... 30
S36 Dial Tone / Cadence A Maximum On Time .................................................... 30
S37 Dial Tone / Cadence A Minimum Off Time ..................................................... 31
S38 Dial Tone / Cadence A Maximum Off Time .................................................... 31
S39 Dial Tone / Cadence B Minimum On Time ..................................................... 31
S40 Dial Tone / Cadence B Maximum On Time .................................................... 31
S41 Dial Tone / Cadence B Minimum Off Time ..................................................... 31
S42 Dial Tone / Cadence B Maximum Off Time .................................................... 31
S23 Busy Detection Cadence Cycle Count ............................................................ 32
S43 Busy Tone / Cadence A Minimum On Time .................................................... 32
S44 Busy Tone / Cadence A Maximum On Time ................................................... 32
S45 Busy Tone / Cadence A Minimum Off Time .................................................... 32
S46 Busy Tone / Cadence A Maximum Off Time ................................................... 32
S47 Busy Tone / Cadence B Minimum On Time .................................................... 32
S48 Busy Tone / Cadence B Maximum On Time ................................................... 33
S49 Busy Tone / Cadence B Minimum Off Time .................................................... 33