Maxim Integrated Teridian V.22 bis Linux Softmodem for 73M1822/73M1922 MicroDAA - Manual (Page 33)

UG_1x22_043 V.22 bis Linux Softmodem for 73M1x22 MicroDAA User Guide
Rev. 1.5 33
S48 Busy Tone / Cadence B Maximum On Time
n 0 – 255 in 40 ms unit

0 0 ms
S49 Busy Tone / Cadence B Minimum Off Time
n 0 – 255 in 40 ms unit

0 0 ms
S50 Busy Tone / Cadence B Maximum Off Time
n 0 – 255 in 40 ms unit

0 0 ms
S20 Call Progress Selection

17 Imprecise tones detection only.
Busy tone bits 7-4/ Dial tone bits 3-0
Bit 7/3 Bit 6/2 Bit 5/1 Bit 4/0 Function
 0 0 0 1 Detect Imprecise tones ONLY.
0 0 1 0 Detect All Precise tones ONLY.
0 1 0 0 Detect Any of the Precise tones.
S88 Imprecise Filter Selection

0 Filter 280-680Hz selected for pre and post dialing
Bits 3-0 Pre dial imprecise filter selection (dial tone)
Bits 7-4 Post dial imprecise filter selection (busy tone)
Value Frequency range
Country selection
dependent (S99)
Country selection
dependent (S99)
Country selection
dependent (S99)
Country selection
dependent (S99)
Country selection
dependent (S99)