Hi Sunil
ICMP is used to show when a particular end point is not responding, when an IP
network is not reachable, when a node is overloaded, when an error occurs in
the IP header information, etc.
Refer RFC 3261
8.1.3.1 Transaction Layer Errors
In some cases, the response returned by
> From: Sproul, Barry K [barry.spr...@verizonwireless.com]
>
> I have an issue between 2 vendor platforms that causes permanent audio
> on hold. Initial invite from party A contains SDP offer with sendrcv
> and multiple codecs. Party B returns 200ok with SDP answer and
> includes attribute of a=in
Looks like a-side don't want talk.
-Original Message-
From: sip-implementors-boun...@lists.cs.columbia.edu
[mailto:sip-implementors-boun...@lists.cs.columbia.edu] On Behalf Of ext
Sproul, Barry K
Sent: Thursday, September 15, 2011 1:56 PM
To: sip-implementors@lists.cs.columbia.edu
Subject
I have an issue between 2 vendor platforms that causes permanent audio on hold.
Initial invite from party A contains SDP offer with sendrcv and multiple
codecs. Party B returns 200ok with SDP answer and includes attribute of
a=inactive with multiple codecs. Party A reinvites with 2 preferred cod
> It would be helpful if you can give any reference on
> handling of ICMP error for sip messages.
Concerning responses, see RFC 3263 section 5.
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Hi Somesh,
We are trying to implement ICMP error handling.Its clear from RFC
that ICMP error for request should be treated as 503 error response.
But the same is not clear for responses(both invite and non-invite
transaction responses).
It would be helpful if you can give any reference on ha
Hi Salil,
Thanks for the reply.The behavior you have mentioned holds good
for Request.But for the response what should be the behavior.
Suppose 18x reliable provisional (require:100rel) and 200 OK response
receive icmp error, Should UA continue retransmission? or simply delete
the transac
