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7–4 Reference Guide
Reference Information
+DS=
a,b,c,d
Controls V.42 bis data compression function (
b, c,
and
d
are
optional):
■
a
sets direction(s) of data compression function, seen by
DTE: 0=negotiated, no compression; 3=both directions
(default).
■
b
=0 specifies modem does not disconnect if V.42bis is
not negotiated by remote modem as specified by
a.
■
c
sets maximum number of dictionary entries (2048)
that should be negotiated.
■
d
sets maximum string length (32 bytes) to be negotiated.
+DS44=
a,b,
c,d,e,f,g,h,i
Controls V.44 data compression function (
b, c, d, e, f, g, h,
and
i
are optional):
■
a
sets direction(s) of data compression function, seen by
DTE: 0=negotiated, no compression; 1=transmit only;
2=receive only; 3=both directions (default).
■
b
specifies whether modem disconnects if V.44 is
not negotiated by remote DCE as specified in a: 0=do not
disconnect (default), 1=disconnect.
■
c
: 0=stream method (default), 1=packet method,
2=multi-packet method.
■
d
(256 to 2048) sets maximum code words to be negotiated
in transmit direction (default=2048).
■
e
(256 to 2048) sets maximum code words to be negotiated
in receive direction (default=2048).
■
f
(32 to 255) sets maximum string length to be negotiated in
transmit direction (default=32).
■
g
(32 to 255) sets maximum string length to be negotiated
in receive direction (default=32).
■
h
(2048 to 4096) sets maximum size of history buffer to be
negotiated in transmit direction (default=4096).
■
i
(2048 to 4096) sets maximum size of history buffer to be
negotiated in receive direction (default=4096).
Conexant AT Commands (Advanced Users Only)
(Continued)
Command (Conexant)
319954-001.book Page 4 Thursday, February 3, 2005 3:03 PM