Wed Oct 28 11:53:24 2009

Asterisk developer's documentation

T.38 support :: UDPTL

Asterisk supports T.38 fax passthrough, origination and termination. It does not support gateway operation. The only channel driver that supports T.38 at this time is chan_sip.

UDPTL is handled very much like RTP. It can be reinvited to go directly between the endpoints, without involving Asterisk in the media stream.


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