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Cisco IOS Voice, Video, and Fax Commands: R Through Sh
sgcp modem passthru
VR-631
Cisco IOS Voice, Video, Fax Command Reference
sgcp modem passthru
To enable Simple Gateway Control Protocol (SGCP) modem or fax pass-through, use the sgcp modem
passthru command in global configuration mode. To disable SGCP modem or fax pass-through, use the
no form of this command.
sgcp modem passthru {ca | cisco | nse}
no sgcp modem passthru {ca | cisco | nse}
Syntax Description
Defaults SGCP modem or fax pass-through is disabled by default.
Command Modes Global configuration.
Command History
Usage Guidelines You can use this command for fax pass-through because the answer tone can come from either modem
or fax transmissions. The upspeed method is the method used to dynamically change the codec type and
speed to meet network conditions.
If you use the nse option, you must also configure the sgcp tse payload command.
Examples The following example shows SGCP modem pass-through configured using the call agent upspeed
method:
sgcp modem passthru ca
The following example shows SGCP modem pass-through configured using the proprietary Cisco
upspeed method:
sgcp modem passthru cisco
The following example shows SGCP modem pass-through configured using the NSE-based modem
upspeed:
ca Uses the call agent controlled modem upspeed method violation
message.
cisco Uses a Cisco-proprietary upspeed method based on the protocol.
nse Uses the NSE-based modem upspeed method.
Release Modification
12.0(7)XK This command was introduced on the Cisco MC3810 multiservice
concentrator and Cisco 3600 series routers (except the Cisco 3620) in
a private release that was not generally available.
12.1(2)T This command was integrated into 12.1(2)T and was generally
available on the Cisco 3600 series router and the Cisco MC3810
multiservice concentrator