Data functions, Post dial call progress precise detect level, Calling tone off time – Maxim Integrated Teridian V.22 bis Linux Softmodem for 73M1822/73M1922 MicroDAA User Manual
Page 36: Calling tone on time, Data modulation selection
V.22 bis Linux Softmodem for 73M1x22 MicroDAA User Guide
UG_1x22_043
36
Rev. 1.5
S78
Post Dial Call Progress Precise Detect Level
n
1 - 96
30
-45dBm threshold.
S78 determines at what minimum level precise call progress tones are detected after
dialing. Refer to table under S75.
S15
Calling Tone Off Time
n
0 – 255 in 100 ms unit
17
1.7 second
Calling tone is defined as a 1300Hz tone. See S28 / bit 7 for enabling/disabling calling tone
S16
Calling Tone On Time
n
0 – 255 in 10 ms unit
60
600 ms
Calling tone is defined as a 1300Hz tone. See S28 / bit 7 for enabling/disabling calling tone
Data functions
S30
Data Modulation Selection
108
See following.
Precedence is from the highest to the lowest connection data rate.
Bit
Value Mode
0
1
4-Wire mode
1
2
Bell202
2
4
V22bis
3
8
V22
4
16
Bell212
5
32
Bell103
6
64
V21
7
128
V23
Country selection
dependent (S99)