Lucent Technologies Host-Based Controller Modem AT - Manual (Page 23)

Data Addendum Host-Based Controller Modem
June 15, 1998 AT Command Set
AT Command Reference (continued)
Version 1.0 Lucent Technologies Inc. 23
%Cn Data Compression Control
This command determines the operation of V.42bis and MNP class 5 data compression. Online changes do not
take effect until a disconnect occurs first.
%C0: V.42bis/MNP 5 disabled. No data compression.
%C1: V.42bis/MNP 5 enabled. Data compression enabled (default).
Result Codes:
OK n = 0, 1
ERROR Otherwise
%En Enable/Disable Auto-Retrain and Fallback/Fall Forward
Provides option for the modem to automatically monitor line quality to fall back when line quality is insufficient and
to fall forward when line quality is sufficient.
%E0: Disable fallback/fall forward
%E1: Enable fallback, Disable fall forward
%E2: Enable fallback/fall forward (Default)
Result Codes:
OK n = 0,1, 2
ERROR Otherwise