[sr-dev] [ openser-Bugs-3018979 ] SIP UA can't receive 500(Internal Server Error)

[SourceForge.net]

Bugs item #3018979, was opened at 2010-06-21 12:08
Message generated for change (Comment added) made by klaus_darilion
You can respond by visiting: 
https://sourceforge.net/tracker/?func=detail&atid=743020&aid=3018979&group_id=139143

Please note that this message will contain a full copy of the comment thread,
including the initial issue submission, for this request,
not just the latest update.
Category: None
Group: None
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: xhu xhu (xhujohnson)
Assigned to: Nobody/Anonymous (nobody)
Summary: SIP UA can't receive 500(Internal Server Error)

Initial Comment:
SIP UA can't receive 500(Internal Server Error) after sending the REGISTER request with the equal CSeq header
field value to the last value of CSeq or lower than the number. The details can be seen as follows:
1 Test topology:
                   NUT(REG && PX)                   UA11                                    UA12                                DNS
                        |                                             |                                          |                                         |
IP          : 3ffe:501:ffff:50::50       3ffe:501:ffff:1::1                     3ffe:501:ffff:2::2                        3ffe:501:ffff:4::1
aor-uri    : ss.under.test.com      UA11 at under.test.com           UA12 at under.test.com
contact-uri :                               UA11 at node.under.test.com    UA12 at node11.under.test.com

2 tcpdump file can be seen in "SIP Registrar- REGISTER request with the equal CSeq value to or lower than the last value of CSeq" attachment
3 openser configuration file can be seen in "openser.cfg" attachment



----------------------------------------------------------------------

>Comment By: Klaus Darilion (klaus_darilion)
Date: 2010-06-21 13:07

Message:
As far as I know there are some CSeq checks. But I think there is a short
time intervall were the same CSeq is allowed to handle retransmissions.

----------------------------------------------------------------------

You can respond by visiting: 
https://sourceforge.net/tracker/?func=detail&atid=743020&aid=3018979&group_id=139143