ADTRAN AOS Version R10.1.0 Command Reference Manual page 3626

Command Reference Guide
modem-passthrough
Use the modem-passthrough command to switch to passthrough mode on fax or modem tone detection.
This command allows modem and fax calls to maintain a connection without altering the signals with the
voice improvement settings, such as echo cancellation and voice activity detection (VAD). Use the no form
of this command to disable this feature. Variations of this command include:
modem-passthrough
modem-passthrough detection-time <value>
Syntax Description
detection-time <value>
Default Values
By default, modem-passthrough is enabled.
Command History
Release 11.1
Release 12.1
Usage Examples
The following example disables modem-passthrough:
(config)#voice trunk t01 type t1-rbs supervision wink role network
(config-t01)#no modem-passthrough
60000CRG0-35E
Optional. Specifies the fax and/or modem detection time length value in
seconds. Range is 0 to 8 seconds.
Command was introduced.
Command was expanded.
Copyright © 2012 ADTRAN, Inc.
Voice T1 Trunk Command Set
3626