[asterisk-users] PJSIP: 481 Call/Transaction Does Not Exist (only) for MESSAGE method

Brian J. Murrell brian at interlinx.bc.ca
Fri Feb 22 15:46:25 CST 2019

On Sun, 2019-02-17 at 17:31 -0500, Brian J. Murrell wrote:
> I have a PJSIP trunk set up which works fine for voice.  I can call
> out
> and I receive calls from it once it registers.
> What isn't working though is receiving MESSAGE (i.e. SIP SIMPLE)
> events.  It was working earlier today but I seem to have done
> something
> as I was enabling voice on the trunk to mess it up.  On receiving of
> a
> MESSAGE, my Asterisk sends a 401 for the ITSP to authenticate it's
> message, which it does, to which my Asterisk responds with a "481
> Call/Transaction Does Not Exist" and displays nothing at all in the
> console.

Nobody has any idea about this?  :-(


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