B - ccitt or bell, Syntax, Defined values – Comtrol AT Commands User Manual
Page 88: Result codes

AT Commands for CX81801/CX06833/CX81300/CX06827 Modems Reference Manual
Conexant
102184B
3-62
B - CCITT or Bell
When the modem is configured to allow either option, the modem will select Bell or
CCITT modulation for a line speed connection of 300 or 1200 bps. Any other line speed
will use a CCITT modulation standard. The parameter value, if valid, is written to S27 bit
6.
Syntax
B
Defined Values
Decimal number corresponding to the selected option.
0
Selects CCITT operation at 300 or 1200 bps
during Call Establishment and a subsequent
connection. (Default.)
1
Selects BELL operation at 300 or 1200 bps
during Call Establishment and a subsequent
connection.
Result Codes
OK
ERROR Otherwise.