The response should be sent to the address where the BYE was received.
Are you sure that the BYE is not still going through the proxy?
Message: 1
Date: Tue, 17 Mar 2015 12:40:09 +0000 (UTC)
From: Daniel Gomez <goll...@gmail.com>
Subject: [Sipp-users] 200OK answer to BYE is sent to incorrect IP
address
To: sipp-users@lists.sourceforge.net
Message-ID: <loom.20150317t125009-...@post.gmane.org>
Content-Type: text/plain; charset=us-ascii
Hi,
I am using two sipp, as UAC and UAS, to test a Proxy.
This proxy does not add itself to Record-Route, then all messages out of
initial INVITE transaction should go directly from UAS to UAC and
viceversa.
I have found a problem in 200 OK answer to BYE (line 9 of scenario).
Sipp UAS sends it to Proxy, instead of UAC.
UAC Proxy UAS
1- | ---INVITE----> | |
2- | | ---INVITE----> |
3- | | <-100 Trying-- |
4- | <-100 Trying-- | |
5- | | <---200 OK---- |
6- | <---200 OK---- | |
7- | --------------ACK ------------> |
8- | --------------BYE ------------> |
9- | | <---200 OK---- |
xml scenario in UAS related to 200 has the following lines:
<send >
<![CDATA[
SIP/2.0 200 OK
[last_Via:]
[last_From:]
[last_To:]
[last_Call-ID:]
[last_CSeq:]
Contact: <sip:[local_ip]:[local_port];transport=[transport]>
Content-Length: 0
]]>
</send>
In fact, a snoop captures shows that Via header has the expected value
obtained from received BYE....:
-----------------------------------------------
2015-03-17 11:32:43:879.398
UDP message received [372] bytes :
BYE sip:service@172.21.2.111:48575 SIP/2.0
Via: SIP/2.0/UDP 172.21.2.59:48675;branch=z9hG4bK-18607-1-11
From: "942888888"<sip:942888...@ims.xxxxxxxx.es>;tag=1
To: <sip:942999...@ims.xxxxxxxx.es>;tag=1
Call-ID: 1-18607@172.21.2.59
CSeq: 2 BYE
Max-Forwards: 69
Contact: <sip:172.21.2.111:48575;transport=UDP>
Content-Length: 0
User-Agent: Sipura/SPA841-3.1.3(a)
-----------------------------------------------
2015-03-17 11:32:43:879.554
UDP message sent (290 bytes):
SIP/2.0 200 OK
Via: SIP/2.0/UDP 172.21.2.59:48675;branch=z9hG4bK-18607-1-11
From: "942888888"<sip:942888...@ims.xxxxxxxx.es>;tag=1
To: <sip:942999...@ims.xxxxxxxx.es>;tag=1
Call-ID: 1-18607@172.21.2.59
CSeq: 2 BYE
Contact: <sip:172.21.2.111:48575;transport=UDP>
Content-Length: 0
I expected sipp would send 200 Ok to the Via header of BYE messages.
Should I change something in xml to deal with this scenario ?
Thanks in advance
Daniel Gomez
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