Acer extensa-7x0
Advanced Data Addendum
MTC Data/FAX
December 4, 1996
AT Command Set
Lucent Technologies Inc.
15
AT Commands Reference
(continued)
-Cn
Data Calling Tone
Data Calling Tone is a tone of certain frequency and cadence as specified in V.25 which allows remote
Data/FAX/Voice discrimination. The frequency is 1300 Hz with a cadence of .5 s on and 2 s off.
Data/FAX/Voice discrimination. The frequency is 1300 Hz with a cadence of .5 s on and 2 s off.
-CO:
Disabled (default).
-C1:
Enabled.
Result Codes:
OK
n = 0, 1
ERROR
Otherwise
-SSE
DSVD command
This command enables or disables DSVD (Digital Simultaneous Voice and Data).
-SSE = 0
Disabled (default)
-SSE = 1
Enabled
\Xn
XON/XOFF Pass Through
\X0:
Modem processes XON/XOFF flow control characters locally (DEFAULT).
\X1:
NOT SUPPORTED responds ERROR.
Result Codes:
OK
n = 0
ERROR
Otherwise
%B
View Numbers in Blacklist
If blacklisting is in effect, this command displays the numbers for which the last call attempted in the past two
hours failed. The ERROR result code appears in countries that do not require blacklisting.
hours failed. The ERROR result code appears in countries that do not require blacklisting.
%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