Maxim Integrated Teridian V.22 bis Linux Softmodem for 73M1822/73M1922 MicroDAA - Manual (Page 28)

V.22 bis Linux Softmodem for 73M1x22 MicroDAA User Guide UG_1x22_043
28 Rev. 1.5
S92 Status Register 4

4 pulse dialing allowed.
Bit Value
Bit 0 Reserved
Bit 1 Reserved
Bit 2 0 Pulse dialing disabled

1 Pulse dialing enabled
All others bits are reserved.
S86 Flash (!) / On Time
n 1 – 211 in 10 ms unit
 50 500 ms
S87 Flash (!) / Off Time
n 1 – 211 in 10 ms unit
 50 500 ms
Note:
See also S14 and S22
S120 Accepted Answer Tone Frequencies
Enables control over what the modem will qualify as answer tone. By default, the modem
functions as it has in the past. (Default = $35)
 Bit 0 1650Hz – V21 Marks (default)
Bit 1 1300Hz – V23 Marks
 Bit 2 2100Hz – ITU Answer Tone (default)
Bit 3
Reserved
 Bit 4 2225Hz – Bell Answer Tone (default)