[SR-Users] WS to WS calls - No ACK received for 200OK

[Alexandru Covalschi]

The problem may be with record_route header.
Did you set
*advertised_address?*

2016-06-21 12:59 GMT+03:00 Amit Patkar <amit at avhan.com>:

> Hi
>
> I am using Kamailio as Websocket proxy.
>
> User 1 & User 2 are registered on Kamailio over WebSocket.
> When User 1 calls User 2, User 2 gets ring and answers the call. 200 OK
> message is received by User 1 but ACK response sent by User 1 does not
> reach User 2. Since User 2 didn't get ACS, after 30 sec timeout it drops
> the call.
> Media is exchanged for 30 seconds, which means ICE is successful.
>
> I am running kamailio 4.3.3 on
>
> Kamailio is behind firewall and running on private IP.
> rtpengine is configured to handle media.
> All ports are forwarded to kamailio server and Kamailio is allowed to send
> data on any public IP.
>
> I used jssip & sipml framework to test. Result was same for both
> frameworks. No ACK received
>
> I can see following errors in log file. What could be the reason which
> indicate ACK was not forwarded
>
> Jun 21 14:55:41 acstemplate /usr/sbin/kamailio[6584]: NOTICE: acc
> [acc.c:317]: acc_log_request(): ACC: transaction answered:
> timestamp=1466501141;method=INVITE;from_tag=7926B9NR7U0X99ZfAr1T;to_tag=w3D2JGd2EUFJpobTcFyo;call_id=1edc8e15-f1f1-584d-df81-71c3d59d713d;code=200;reason=OK;src_user=10001;src_domain=
> xxxx.com
> ;src_ip=xxx.yyy.zzz.aaa;dst_ouser=10002;dst_user=10002;dst_domain=df7jal23ls0d.invalid
> Jun 21 14:55:41 acstemplate /usr/sbin/kamailio[6582]: ERROR: <core>
> [forward.c:529]: forward_request(): cannot forward to af 2, proto 5 no
> corresponding listening socket
> Jun 21 14:55:41 acstemplate /usr/sbin/kamailio[6582]: ERROR: sl
> [sl_funcs.c:363]: sl_reply_error(): ERROR: sl_reply_error used: I'm
> terribly sorry, server error occurred (7/SL)
> Jun 21 14:55:42 acstemplate /usr/sbin/kamailio[6584]: INFO: <script>: WS
> to WS
> Jun 21 14:55:42 acstemplate /usr/sbin/kamailio[6582]: ERROR: <core>
> [forward.c:529]: forward_request(): cannot forward to af 2, proto 5 no
> corresponding listening socket
> Jun 21 14:55:42 acstemplate /usr/sbin/kamailio[6582]: ERROR: sl
> [sl_funcs.c:363]: sl_reply_error(): ERROR: sl_reply_error used: I'm
> terribly sorry, server error occurred (7/SL)
> Jun 21 14:55:46 acstemplate /usr/sbin/kamailio[6582]: ERROR: <core>
> [forward.c:529]: forward_request(): cannot forward to af 2, proto 5 no
> corresponding listening socket
> Jun 21 14:55:46 acstemplate /usr/sbin/kamailio[6582]: ERROR: sl
> [sl_funcs.c:363]: sl_reply_error(): ERROR: sl_reply_error used: I'm
> terribly sorry, server error occurred (7/SL)
> Jun 21 14:55:51 acstemplate /usr/sbin/kamailio[6582]: ERROR: <core>
> [forward.c:529]: forward_request(): cannot forward to af 2, proto 5 no
> corresponding listening socket
> Jun 21 14:55:51 acstemplate /usr/sbin/kamailio[6582]: ERROR: sl
> [sl_funcs.c:363]: sl_reply_error(): ERROR: sl_reply_error used: I'm
> terribly sorry, server error occurred (7/SL)
> Jun 21 14:55:57 acstemplate /usr/sbin/kamailio[6582]: ERROR: <core>
> [forward.c:529]: forward_request(): cannot forward to af 2, proto 5 no
> corresponding listening socket
> Jun 21 14:55:57 acstemplate /usr/sbin/kamailio[6582]: ERROR: sl
> [sl_funcs.c:363]: sl_reply_error(): ERROR: sl_reply_error used: I'm
> terribly sorry, server error occurred (7/SL)
> Jun 21 14:56:13 acstemplate /usr/sbin/kamailio[6581]: ERROR: <core>
> [forward.c:529]: forward_request(): cannot forward to af 2, proto 5 no
> corresponding listening socket
> Jun 21 14:56:13 acstemplate /usr/sbin/kamailio[6581]: ERROR: sl
> [sl_funcs.c:363]: sl_reply_error(): ERROR: sl_reply_error used: I'm
> terribly sorry, server error occurred (7/SL)
>
> I searched list for similar issues but could not find match any
>
> Help to resolve this issue is appreciated.
>
> Thanks & Regards,
> Amit Patkar
>
>
>
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>


-- 
Alexandru Covalschi
ABRISS-Solutions
VoIP engineer and system administrator
tel: +37367398493
web: http://abriss.solutions/ <http://abs-telecom.com/>
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