Tr30.2-style control and status registers, Auto answer, Ring count – Maxim Integrated Teridian V.22 bis Linux Softmodem for 73M1822/73M1922 MicroDAA User Manual
Page 21: Escape code character, Carriage return character

UG_1x22_043
V.22 bis Linux Softmodem for 73M1x22 MicroDAA User Guide
Rev. 1.5
21
2.2.1.1 TR30.2-Style Control and Status Registers
S0
Auto Answer
n
0 –255
0
Auto answer disabled
1-255
Auto answer mode on selected number of rings
This register specifies the ring on which the modem will answer. A value of 1 to 255 will
place the modem in auto-answer mode and cause it to answer on that many rings
detected.
S1
Ring Count
n
0 –255
0
No valid rings detected
When the modem is set for Auto-Answer, register S1 keeps track of the number of times
the phone rings. After the end of ring-on time, the S1 register is reset to 0 after the sum of
S56 and S58 seconds has elapsed.
S2
Escape Code Character
n
0 – 127 (ASCII)
43
ASCII “+”
>127
Escape feature disabled
S3
Carriage Return Character
n
0 – 127 (ASCII)
13
<CR>
This character terminates both the command line and the result codes.