Comtrol AT Commands for SmartACFL - Manual (Page 69)

Command Reference Manual
100722A Conexant 3-49
3.2.6.3 %C - Enable/Disable Data Compression
Enables or disables data compression negotiation. The modem can only perform data compression on an error corrected link.
The parameter value, if valid, is written to S41 bits 0 and 1.
Syntax
%C<value>
Defined Values
<value> Decimal number corresponding to the selected option.
0 Disables data compression. Resets S46 bit 1.
1 Enables MNP 5 data compression negotiation. Resets S46 bit 1.
2 Enables V.42 bis data compression. Sets S46 bit 1.
3 Enables both V.42 bis and MNP 5 data compression. Sets S46 bit 1. (Default.)
Result Codes
OK <value> = 0, 1, 2, or 3.
ERROR Otherwise.