[SR-Users] CANCEL not matching INVITES !

[Daniel-Constantin Mierla]

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

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