Hi, Ali!
The reINVITES should be handled similar to INVITEs, with an offer for
the request and an answer for the reply. But indeed, there's no way to
recover from a rejected reINVITE.
Actually the problem is a bit deeper and I don't really know how this
should be handled. It depends on whether the client sends the re-invite
to create a new media stream, or update the old one. In the first case,
RTPProxy should create a new media stream and if that one fails, only
delete the latter one - this is not supported by RTPProxy. In the second
case, the entire media should be seized, and this is how it works now :).
Best regards,
Răzvan Crainea
OpenSIPS Solutions
www.opensips-solutions.com
On 11/14/2014 03:30 AM, Jeff Pyle wrote:
Ali,
This is what I use within loose_route() to handle rtpproxy. In my
particular case I'm bridging between two interfaces.
if (has_body("application/sdp")) {
# Begin rtp session update gyrations
if (method == "INVITE") {
# INVITE w/ SDP, so early neg
# This is offer, reply is answer
rtpproxy_offer("frocl");
t_on_reply("1");
} else if (method == "ACK") {
# ACK w/ SDP, so late neg (done now)
# This is answer
rtpproxy_answer("frocl");
}
} else {
if (method == "INVITE") {
# INVITE w/o SDP, so late neg
# This is nothing, reply is offer, ACK is answer
(~5 lines up)
t_on_reply("2");
} else {
t_on_reply("1");
}
}
And then:
onreply_route[1] { # Manage content as necessary - early
negotiation
if (has_body("application/sdp")) {
if ($DLG_status) { # Update
rtpproxy_answer("frocl");
} else { # New
rtpproxy_answer("froc");
}
}
}
onreply_route[2] { # Manage content as necessary -
late negotiation - update
if (has_body("application/sdp")) {
rtpproxy_offer("frocl");
}
}
This does not handle rejected reinvites. I don't know how to solve
that one. Otherwise, it works well, although in some spots it may be
overkill.
- Jeff
On Thu, Nov 13, 2014 at 5:13 PM, Ali Pey <[email protected]
<mailto:[email protected]>> wrote:
Hello,
What's the best way of handling rtpproxy with re-invites?
Should I do unforce and then offer/answer? What if the re-invite
gets rejected?
Any help appreciated.
Thanks,
Ali Pey
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