Maxim Integrated Teridian V.22 bis Linux Softmodem for 73M1822/73M1922 MicroDAA - Manual (Page 29)

UG_1x22_043 V.22 bis Linux Softmodem for 73M1x22 MicroDAA User Guide
Rev. 1.5 29
Bit 5 2250Hz – S0 (default)
Bit 6 Reserved
Bit 7 Reserved
S121 Answer Tone Qualify Time
The value of this register extends the answer tone qualification time beyond the 155ms minimum in
10ms units.
n 0-255, but do not over-extend to maintain stability.
Call progress functions
S29 Extended Result Code/ Cadence Status
 136 See following. A bit set to 1 selects the function.
Bit1/0
 Bit 1/0 00
Do not return extended result codes (40 - 80). The message
CONNECT followed by the data rate between the DTE and the
modem will be sent to the DTE (W0 command)
01
The CONNECT message will report the DTE speed then enable the
carrier and extended result codes (W1 command)
10
The CONNECT message will report the DCE speed. All extended
result codes are disabled (W2 command)
11 Connection messages are muted
Bit 2 X Reserved
Bit 3 0 Escape sequence disabled
 1 Escape sequence enabled
 Bit 4 0 Alternate cadence for dial tone
1 Dual cadence for dial tone
 Bit 5 0 Alternate cadence for busy tone
1 Dual cadence for busy tone
 Bit 6 0 Alternate cadence for ring
1 Dual cadence for busy ring
Bit 7 0 Continuous dial tone disabled
 1 Continuous dial tone enabled
Country selection
dependent (S99)