[asterisk-users] T38 Passthrough Verification

[Russell Bryant]

JR Richardson wrote:
> I have 1.4.9.1 setup, with the compiler flags enabled for T38, and
> have a Mediatrix 2102 and a Linksys SPA 8000-G1.  I can pass faxes
> between devices but can't seem to invoke T38 pt UDPTL.  It's enabled
> in sip.conf [general] and well as the [peer].
> 
> I get an error at the CLI:
> WARNING[3096]: chan_sip.c:14149 handle_request_invite: RTP re-invite
> after T38 session not handled yet !
> 
> sip show channels shows the call setup with ulaw.

Try setting canreinvite=no for the peer doing T.38.  It looks like the code in
Asterisk 1.4 will not allow re-invites for an established T.38 passthrough call.

-- 
Russell Bryant
Senior Software Engineer
Open Source Team Lead
Digium, Inc.