[SR-Users] CANCEL not matching INVITES !
Daniel-Constantin Mierla
miconda at gmail.com
Wed Nov 30 00:02:58 CET 2011
Hello,
I will look over it soon - since you sent pcap I couldn't look at it
directly from the email. ngrep outputs plain text which is easy to read
from email, the reason I am asking mainly for ngrep traces since many
times I am not around a computer where is convenient to open pcap file.
On the other hand, if it is a transmission problem (at transport layer),
pcap file is better.
Cheers,
Daniel
On 11/29/11 5:07 AM, Sammy Govind wrote:
> Hello again,
>
> Please see the attached wireshark trace, I tried for a sipgrep trace
> but couldn't somehow. I hope this will get me some clue on what I'm
> doing wrong.
>
> This is a setup with Kamailio in front of Asterisk Servers. Kamailio
> is multihomed and MS are on private IPs, all the calls are routed to
> MSs and then comeback for further dial-outs.
>
> Please see the Continuous CANCEL requests which aren't terminating the
> call.
>
> Thanks,
> Sammy.
>
> On Mon, Nov 28, 2011 at 4:41 PM, Sammy Govind <govoiper at gmail.com
> <mailto:govoiper at gmail.com>> wrote:
>
> Thanks for your reply I will attach the wireshark traces as soon
> as I get to my workstation.
>
> BR,
> Sammy.
>
>
> On Mon, Nov 28, 2011 at 3:33 PM, Daniel-Constantin Mierla
> <miconda at gmail.com <mailto:miconda at gmail.com>> wrote:
>
> Hello,
>
> send the ngrep trace of such call, from the initial INVITE,
> you can use:
>
> ngrep -d any -qt -W byline port 5060
>
> The sip trace will help to see what is wrong with that CANCEL.
>
> Cheers,
> Daniel
>
>
> On 11/28/11 7:19 AM, Sammy Govind wrote:
>> Anyone please help.
>>
>> On Sat, Nov 26, 2011 at 10:39 PM, Sammy Govind
>> <govoiper at gmail.com <mailto:govoiper at gmail.com>> wrote:
>>
>> Hello list,
>>
>> I'm using Kamailio 3.1.5 in front of asterisk servers.
>> Kamailio handles all the SIP registrations. Calls from
>> SIP phones are forwarded to asterisks and then dialled
>> out to Kamailio.
>>
>> root at SBCserver:~# kamailio -V
>> version: kamailio 3.1.5 (x86_64/linux) 76fff5
>> flags: STATS: Off, USE_IPV6, USE_TCP, USE_TLS, TLS_HOOKS,
>> USE_RAW_SOCKS, DISABLE_NAGLE, USE_MCAST, DNS_IP_HACK,
>> SHM_MEM, SHM_MMAP, PKG_MALLOC, DBG_QM_MALLOC, 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,
>> PKG_SIZE 4MB
>> poll method support: poll, epoll_lt, epoll_et, sigio_rt,
>> select.
>> id: 76fff5
>> compiled on 08:21:33 Oct 27 2011 with gcc 4.6.1
>> root at SBCserver:~#
>>
>>
>> Problem:
>> When call is initiated from a softphone and is in ringing
>> phase, CANCEL just don't work. I've done some initial
>> debugging and the following piece of code in main route
>> is failing.
>>
>> # CANCEL processing
>> if (is_method("CANCEL"))
>> {
>> xlog("L_NOTICE","$rm from $fu (IP:$si:$sp)
>> ---CAPTURED IN MAIN---\n");
>> if (t_check_trans()){
>> t_relay();
>> xlog("L_NOTICE","$rm from $fu (IP:$si:$sp)
>> ---CHECK TRANS TRUE---\n");
>> }
>> xlog("L_NOTICE","$rm from $fu (IP:$si:$sp) ---CHECK
>> TRANS FALSE---\n");
>> exit;
>> }
>>
>> Also the CANCEL fails the has_totag() condition !
>>
>> The same Call CANCEL scenario works fine for any client
>> on Public IP !
>>
>> Hope to get some pointers for the solution.
>>
>> Regards,
>> Sammy.
>>
>>
>>
>>
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>
> --
> Daniel-Constantin Mierla --http://www.asipto.com
> Kamailio Advanced Training, Dec 5-8, Berlin:http://asipto.com/u/kat
> http://linkedin.com/in/miconda -- http://twitter.com/miconda
>
>
>
>
>
> _______________________________________________
> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list
> sr-users at lists.sip-router.org
> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
--
Daniel-Constantin Mierla -- http://www.asipto.com
Kamailio Advanced Training, Dec 5-8, Berlin: http://asipto.com/u/kat
http://linkedin.com/in/miconda -- http://twitter.com/miconda
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