19 Aug
2016
19 Aug
'16
1:06 p.m.
We've installed latest kamailio from master branch and we see an issue with CSeq
numbers.
Scenario is as follow:
A <-> Kamailio <-> B
We do use uacreg to register to B from kamailio. If there is an call from A to B via
Kamailio, B challenge DA and from that point the CSeq is not equal on both sides. We do
use dlg_manage to track the Difference.
While establishing the call it works until the ACK as reply to 200 OK. The ACK is the
first message the CSeq is not updated anymore. In X_log I can see the $dlg_var(cseq_diff)
is still there and gives the correct difference. It seems it is not used anymore.
All following requests / responses do have this issue e.G. Bye.
I can provide a wireshark trace, Logs and I can reproduce it in our test lab. Let me know
if you need anything.
We do use the latest master version because we had this issue:
https://github.com/kamailio/kamailio/issues/679
unfortunately we were not able to find any commit in 4.4 branch, so we tried master.
(would be fine for us, if we would get it run)
cheers
Jöran
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24 Aug
24 Aug
8:12 a.m.
The ACK needs to have the same CSeq as INVITE. It is not updated after challenging the
INVITE?
Can you attach a pcap for such call?
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8:47 a.m.
The CSeq is updated within the Invite Request. The call gets established and the ACK on
the 200OK has the wrong CSeq. After that all messages have wrong CSeq e.G. Bye.
I send the trace to your gmail account. Hope this helps.
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26 Aug
26 Aug
2:44 p.m.
Can you try with master branch now? I just pushed a patch.
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29 Aug
29 Aug
8:58 a.m.
I tried the newest version.
In SIP traffic i cannot find any difference, in the Logs where the $dlg_var(cseq_diff)
gets printed, i can see the diff gets reset after the ACK on the first 200 OK. The SIP
however does not get the incremented CSeq so there are still retransmits.
trace and log are sent via Email.
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11:11 a.m.
OK, I will dig in further.
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30 Aug
30 Aug
5:32 p.m.
A new patch a pushed, can you give it another try?
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31 Aug
31 Aug
9:14 a.m.
Hi,
i did, but still looks the ACK has wrong CSeq.
sorry
trace atatched
On Tue, Aug 30, 2016 at 5:32 PM, Daniel-Constantin Mierla <
notifications(a)github.com> wrote:
A new patch a pushed, can you give it another try?
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sipgate GmbH - Gladbacher Str. 74 - 40219 Düsseldorf
HRB Düsseldorf 39841 - Geschäftsführer: Thilo Salmon, Tim Mois
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12:14 p.m.
Can you give the logs with debug=3 for such case? Also the output of kamailio -v.
Yesterday I tested with pjsip and looked ok...
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1:37 p.m.
Hi,
sure. Here the output and the log via Mail.
# kamailio -v
version: kamailio 5.0.0-dev6 (x86_64/linux)
flags: STATS: Off, USE_TCP, USE_TLS, USE_SCTP, TLS_HOOKS, USE_RAW_SOCKS, DISABLE_NAGLE,
USE_MCAST, DNS_IP_HACK, SHM_MEM, SHM_MMAP, PKG_MALLOC, Q_MALLOC, F_MALLOC, TLSF_MALLOC,
DBG_SR_MEMORY, USE_FUTEX, FAST_LOCK-ADAPTIVE_WAIT, USE_DNS_CACHE, USE_DNS_FAILOVER,
USE_NAPTR, USE_DST_BLACKLIST, HAVE_RESOLV_RES
ADAPTIVE_WAIT_LOOPS=1024, MAX_RECV_BUFFER_SIZE 262144, MAX_LISTEN 16, MAX_URI_SIZE 1024,
BUF_SIZE 65535, DEFAULT PKG_SIZE 8MB
poll method support: poll, epoll_lt, epoll_et, sigio_rt, select.
id: unknown
compiled with gcc 4.9.2
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2:38 p.m.
Did you compile from git sources? Because the git commit hash is not listed in the version
output.
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2:44 p.m.
yes I did.
we do use our own Build System where the Git commit ID gets lost.
the changes which are included in the Build I triggert is that:
#120 (Aug 30, 2016 5:35:09 PM)
tm: uac: Add failover support for local requests — alex / detail
tm: uac: Split t_uac_prepare — alex / detail
tm: uac: Add support for onsend route to local request — alex / detail
tm: Set tcx.branch_index to picked branch before running failure route. —
alex / detail
tm: copy on_reply and on_failure routes to new branch on DNS based — alex /
detail
tm: Copy on_branch_failure to new branch on DNS failover — alex / detail
dispatcher: free memory on shutdown — alex / detail
pv: xavp: log error message when memory allocation fails — alex / detail
core: Enable SIGUSR1 for child processes — alex / detail
mqueu: Convert items to single linked list — alex / detail
tmx: Try to get branch_index for all replies — alex / detail
jsonrpc_s: Return an error when JSON parsing fails — alex / detail
core: Don't bind to IPv6 addresses if auto_bind_ipv6 is disabled — alex /
detail
sl: Reset timeout before sending the message — alex / detail
sl: Convert get_ticks() to the somewhat faster get_ticks_raw() — alex /
detail
pike: fixed rpc array - added array structure when returning multiple —
kelchy / detail
pkg/kamailio/deb: version set to 5.0.0~dev6 — linuxmaniac / detail
modules/sipcapture fixed priorisation X-RTP headers — alexandr.dubovikov /
detail
http_async_client: init PV API sooner — camille.oudot / detail
topos: record routing storage for handling sip responses — miconda / detail
dialog: proper safety test if cseq value in via is larger than hdr —
miconda / detail
dialog: proper refresh of cseq for requests withing dialog after an —
miconda / detail
The One before i Build was with the changes till the 26th.
On Wed, Aug 31, 2016 at 2:38 PM, Daniel-Constantin Mierla <
notifications(a)github.com> wrote:
Did you compile from git sources? Because the git
commit hash is not
listed in the version output.
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Telefax: +49 211-63 55 55-22
sipgate GmbH - Gladbacher Str. 74 - 40219 Düsseldorf
HRB Düsseldorf 39841 - Geschäftsführer: Thilo Salmon, Tim Mois
Steuernummer: 106/5724/7147, Umsatzsteuer-ID: DE219349391
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1 Sep
1 Sep
5:26 p.m.
Try again with the latest patch above -- in some cases, the required headers might not
have been parsed.
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2 Sep
2 Sep
11:20 a.m.
Tested last Version. It works. Great work! many thanks
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2:25 p.m.
Welcome, closing this issue.
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2:25 p.m.
Closed #752.
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vinzens