[SR-Users] CANCEL not matching INVITES !

Sammy Govind govoiper at gmail.com
Mon Nov 28 12:41:28 CET 2011


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
> 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> 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.
>>
>
>
>
> _______________________________________________
> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing listsr-users at lists.sip-router.orghttp://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/kathttp://linkedin.com/in/miconda -- http://twitter.com/miconda
>
>
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