Multitech MultiModem MT5634ZPW-PCI, Owner'S Manual

Page: 47 / 94

MT5634ZPW-PCI
47
3 AT Commands, S-Registers and Result Codes
Command: -C
n
Data Calling Tone
Values: n = 0 or 1
Defaults: 0
Description: -C0 Disable V.25 data calling tone.
-C1 Enable V.25 data calling tone.
Command: %B View Numbers in Blacklist
Values: n/a
Description: If blacklisting is in effect, this command displays the
numbers for which the last call attempted in the
previous two hours failed. In countries that do not
require blacklisting, the ERROR result code appears.
Command: %C n Data Compression Control
Values:
n = 0 or 1
Default: 1
Description: %C0 Disable V.42bis/MNP 5 data compression.
%C1 Enable V.42bis/MNP 5 data compression.
Command: +ES=6 Enable Synchronous Buffered Mode
Values: n/a
Description: Allows an H.324 video application direct access to
the synchronous data channel. On underflow, the
modem sends HDLC flag idle (0x7E) to the remote
modem. This special error correction mode is
overridden by any of the following commands:
&F,
&M, &Q, and \N. +ES = ? shows the only allowed
value.
Command: &&S Speaker Codec Loopback
Values: n/a
Description: Provides a loopback from the microphone to the
speaker.
For testing and debugging only.
Command: %T94 Testing External RAM
Values:
n/a
Description: This command is used for testing the external RAM.
Enter AT%T94<cr> to determine the status of
external RAM. The response you should receive will
be either "FAIL" or "PASS"