Yeh, the mule draft is the de-facto standard I think.
I believe the called party should send the re-invite because
it is the called fax machine which sends a tone back to say
"I'm ready to switch to fax". CED tone, I think.
Regards
Attila
-----Original Message-----
From: sip-implementors-boun...@lists.cs.columbia.edu
[mailto:sip-implementors-boun...@lists.cs.columbia.edu] On Behalf Of
kisteorg google
Sent: 20 July 2009 16:09
To: sip-implementors@lists.cs.columbia.edu
Subject: [Sip-implementors] T.38 handling in SIP
Hello list,
As far as I know, usually the 1st INVITE is done by a "normal" voice
codec until the calling device get a special fax signal. After that a
reinvite is send from the calling device with T38 as supported codec and
T38 handshaking is done.
Now a vendor told me, that they "implemented the rfc" (I love that) and
the called party should send an reinvite.
So I was wondering about which RFC they are talking - I only know the
draft-mule-sip-t38callflows-02.txt - or is there another RFC?
BR
Uwe
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