9
+DS=? Displays a list of supported Data
compression options.
+DS=a,b,c,d Data Compressin. a,b,c,d default
=3,0,2048,32.Paramerer¡§a¡¨specifies
the desired dierction(s) of operation
of operation of the data comperession
function where:0=no compression,
3=both. Parameter ¡§b¡¨ specifies
whether or not the modem should
continue to operate if the desired
result is not obtained where:0= Do
not disconnect if V.42bis not
negotiated by the remote modem as
specifies in a.Parameter¡§c¡¨the
maximum number of dictionary entries
(2048 entries) which should be
negotiated.Parameter¡§d¡¨
specifies the maximum string length
(32bytes) to be negotated. (V.42bis
P2)
+DR? Displays the current Data
Compression Reporting setting.
+DR=? Displays a list of supported Data
Compression reporting options.
+DR=n n=0 Data Compression reporting disabled.
n=1 Data Compression reporting enabled.
%E_ %E0 Disable Line Quality Monitor, Auto-
Retrain,and Auto-Rate Renegotiation.
%E1 Enable Line Quality Monitor,Auto-
retrain,and Auto-Rate Renegotiation.
%L Line signal Level
%Q Line Signal Quality
3.6 Fax Class 1 Commands
+FAE=n Data/Fax Auto Answer
+FCLASS=n Service Class
+FRH=n Receive data with HDLC framing
+FRM=n Receive data
+FRS=n Receive silence
+FTH=n Transmit data with HDLC framing
+FTM=n Transmit data