2 Dec
2011
2 Dec
'11
6:24 a.m.
Hello again,
You were right, as soon as I made changes in asterisk SIP profile for the
Kamailio proxy server and stopped the 401 Auth from Asterisk to Kamailio
the CANCELS started to work fine.
So the SIP flow now is:
- invite from phone to kamailio
- kamailio asks for authentication - 407
- ack
- invite with credentials, kamailio forwards to asterisk
- asterisk starts processing the invite and call can be cancelled now.
Thanks alot
--
Best Regards,
Sammy.
On Thu, Dec 1, 2011 at 12:01 PM, Sammy Govind <govoiper(a)gmail.com> wrote:
Hey Daniel,
I've exactly followed your point, I'll try some stuff on asterisk server
to stop asking for 401 Auth to Kamailio., maybe this will eliminate the
need for another INVITE with authentication params.
But one thing which just makes me curious is that a soft phone directly
coming from a Public IP is always able to successfully CANCEL the call.
Anyway I'll use some brain of mine on this and let you know what resolved
it, or what I'm missing.
Thanks,
Sammy
On Wed, Nov 30, 2011 at 5:47 PM, Daniel-Constantin Mierla <
miconda(a)gmail.com> wrote:
Hello,
is the SIP trace complete?
What I could find inside is:
- invite from phone to kamailio
- kamailio asks for authentication - 407
- ack
- invite with credentials, kamailio forwards to asterisk
- asterisk asks for authentication - 401
- ack
- there is no new INVITE with credentials for kamailio and asterisk
- but the phone starts sending CANCELs -- since there is no active INVITE
transaction, kamailio just drops it due to config rules
- after a while asterisk starts sending like 180 ringing, then 200ok ...
really strange
Maybe you haven't captured all the sip traffic. If you want to use ngrep,
do on kamailio server:
ngrep -d any -qt -W byline port 5060
If that's all the traffic, then xlite and asterisk seems to have some
bugs - both were aware of 401 reply (asterisk generated it, xlite sent the
ACK for it) -- so no ongoing call to CANCEL by xlite, or to answer by
Asterisk (the 180, 200 replies).
From kamailio point of view, if there is no INVITE following the 401
reply to xlite, there is no active invite transaction to cancel.
Cheers,
Daniel
On 11/30/11 12:02 AM, Daniel-Constantin Mierla wrote:
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(a)gmail.com>wrote;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(a)gmail.com> wrote:
_______________________________________________
SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing
listsr-users@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
_______________________________________________
SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing
listsr-users@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
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(a)gmail.com>wrote;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@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@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@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