[SR-Users] WS to WS calls - No ACK received for 200OK
Amit Patkar
amit at avhan.com
Tue Jun 21 15:52:42 CEST 2016
Thanks guys.
Yes. I have set advertised_address parameter.
I tried configuration changes suggested by Dimitry, but its now throwing
following error and dropping call
Jun 21 19:07:15 acstemplate /usr/sbin/kamailio[7869]: ERROR: <core>
[resolve.c:1693]: sip_hostport2su(): could not resolve hostname:
"plfil8pkosnv.invalid"
Jun 21 19:07:15 acstemplate /usr/sbin/kamailio[7869]: ERROR: tm
[ut.h:319]: uri2dst2(): failed to resolve "plfil8pkosnv.invalid"
Jun 21 19:07:15 acstemplate /usr/sbin/kamailio[7869]: ERROR: tm
[t_fwd.c:1711]: t_forward_nonack(): ERROR: t_forward_nonack: failure to
add branches
Jun 21 19:07:15 acstemplate /usr/sbin/kamailio[7869]: ERROR: sl
[sl_funcs.c:363]: sl_reply_error(): ERROR: sl_reply_error used:
Unresolvable destination (478/SL)
Thanks & Regards,
Amit Patkar
On 6/21/2016 5:50 PM, Nagorny, Dimitry wrote:
>
> Hi Amit,
>
> I had the same issue reported here last week. Here is the part how I
> solved it for the moment on Kamailio 4.3.5 with JsSIP:
>
> route[WITHINDLG] {
>
> if (!has_totag()) {
>
> return;
>
> }
>
> if (loose_route()) {
>
> if ($du == "") {
>
> if (!handle_ruri_alias()) {
>
> xlog("L_ERR", "Bad alias <$ru>\n");
>
> sl_send_reply("400", "Bad Request");
>
> exit;
>
> }
>
> }
>
> if (is_method("BYE")) {
>
> setflag(FLT_ACC);
>
> setflag(FLT_ACCFAILED);
>
> if (src_ip==$sel(cfg_get.pstn.gw_ip) &&
> $fd==$sel(cfg_get.free.switch_ip)){
>
> $du="sip:" + $sel(cfg_get.free.switch_ip) + ":" +
> $sel(cfg_get.free.switch_port) + ";transport=tls";
>
> force_send_socket(tls:MY_INTERN_IP:MY_INTERN_PORT);
>
> } *else if (proto==WSS && $ru=~"transport=ws") {*
>
> *$ru = $tu;*
>
> *lookup("location");*
>
> *}*
>
> } else if (is_method("ACK")) {
>
> *if (proto==WSS && $ru=~"transport=ws") {*
>
> *$ru = $tu;*
>
> *lookup("location");*
>
> *}*
>
> }
>
> route(RELAY);
>
> } else {
>
> if (is_method("ACK")) {
>
> if (t_check_trans()) {
>
> route(RELAY);
>
> } else {
>
> exit;
>
> }
>
> }
>
> sl_send_reply("404","Not here");
>
> }
>
> exit;
>
> }
>
> As you can see, the additions in bold, I had to retrieve the contact
> information from the DB again. This only apllies for communication
> from ws to ws. This might be a n00bish solution but it works for me.
>
> Best Regards
>
> *Dimitry Nagorny*
>
> Trainee
>
> *Von:*sr-users [mailto:sr-users-bounces at lists.sip-router.org] *Im
> Auftrag von *Alexandru Covalschi
> *Gesendet:* Dienstag, 21. Juni 2016 13:50
> *An:* amit at avhan.com; Kamailio (SER) - Users Mailing List
> <sr-users at lists.sip-router.org>
> *Betreff:* Re: [SR-Users] WS to WS calls - No ACK received for 200OK
>
> 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
> <mailto: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
> <http://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
>
>
>
>
> _______________________________________________
> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing
> list
> sr-users at lists.sip-router.org <mailto:sr-users at lists.sip-router.org>
> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>
>
>
>
> --
>
> Alexandru Covalschi
> ABRISS-Solutions
>
> VoIP engineer and system administrator
> tel: +37367398493
> web: http://abriss.solutions/ <http://abs-telecom.com/>
>
>
>
> _______________________________________________
> 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
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.sip-router.org/pipermail/sr-users/attachments/20160621/f0b72ba9/attachment.html>
More information about the sr-users
mailing list