[SR-Users] (no subject)
Tihomir Culjaga
tculjaga at gmail.com
Fri Feb 9 22:57:05 CET 2018
Hi,
Im new to Kamailio so im sorry if some of my questions will sound a bit
wierd :=)
i have a setup like this: (Kamailio version 5.1)
UA > Kamailio > Freeswitch
Kamailio forwards registration to freeswitch without saving location.
I have configured sip over websockets and im able to register to
Freeswitcha via kamailio.
Also, i use add_path_received() so kamailio adds a path header to register
messages
recv 945 bytes from udp/[192.168.50.60]:5060 at 22:38:07.283809:
------------------------------------------------------------------------
REGISTER sip:192.168.50.60 SIP/2.0
Via: SIP/2.0/UDP
192.168.50.60;branch=z9hG4bKa929.0f66d60c4333f4a3a9d83d41a63295d9.0
Via: SIP/2.0/WSS
192.0.2.110;rport=63296;received=192.168.200.77;branch=z9hG4bK6931435
Max-Forwards: 69
To: <sip:1001 at 192.168.50.60>
From: <sip:1001 at 192.168.50.60>;tag=vq30modpgd
Call-ID: dlnrna9o4ngn25fb9d1vi2
CSeq: 196 REGISTER
Authorization: Digest algorithm=MD5, username="1001",
realm="192.168.50.60", nonce="744aaa14-4a86-4ce3-b6d6-419b0a34ee90",
uri="sip:192.168.50.60", response="9b592b874474d4ffe5769f2410baceef",
qop=auth, cnonce="sf7ff0fp8tm5", nc=00000001
Contact: <sip:1001 at 192.0.2.110
;transport=ws>;reg-id=1;+sip.instance="<urn:uuid:587f4694-7e55-46dc-a858-579a82556a20>";expires=600
Allow: ACK,CANCEL,INVITE,MESSAGE,BYE,OPTIONS,INFO,NOTIFY,REFER
Supported: path, gruu, 100rel, outbound
User-Agent: SIP.js/0.7.0 BB
Content-Length: 0
Path: <sip:192.168.50.60;lr;received=192.168.200.77~63296~6>
------------------------------------------------------------------------
send 719 bytes to udp/[192.168.50.60]:5060 at 22:38:07.329444:
------------------------------------------------------------------------
SIP/2.0 200 OK
Via: SIP/2.0/UDP
192.168.50.60;branch=z9hG4bKa929.0f66d60c4333f4a3a9d83d41a63295d9.0
Via: SIP/2.0/WSS
192.0.2.110;rport=63296;received=192.168.200.77;branch=z9hG4bK6931435
From: <sip:1001 at 192.168.50.60>;tag=vq30modpgd
To: <sip:1001 at 192.168.50.60>;tag=Spya88DKU9gSQ
Call-ID: dlnrna9o4ngn25fb9d1vi2
CSeq: 196 REGISTER
Contact: <sip:1001 at 192.0.2.110;transport=ws>;expires=600
Date: Fri, 09 Feb 2018 21:38:07 GMT
User-Agent:
FreeSWITCH-mod_sofia/1.6.19+git~20171120T163416Z~b1b21d0695~64bit
Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE,
REGISTER, REFER, NOTIFY
Supported: timer, path, replaces
Path: <sip:192.168.50.60>;lr;received=192.168.200.77~63296~6
Content-Length: 0
------------------------------------------------------------------------
Once, registered, im trying to originate a call to the registered endpoint
from freeswitch
this results in an invite like this:
send 1757 bytes to udp/[192.168.50.60]:5060 at 22:46:21.252549:
------------------------------------------------------------------------
INVITE sip:1001 at 192.0.2.110;transport=ws SIP/2.0
Via: SIP/2.0/UDP 192.168.50.65:15060;rport;branch=z9hG4bKXHcX316pDgXZB
Route: <sip:192.168.50.60>;lr;received=192.168.200.77~63296~6
Max-Forwards: 70
From: "" <sip:1002 at 192.168.50.65>;tag=tZQ393yprj7BK
To: <sip:1001 at 192.0.2.110;transport=ws>
Call-ID: 8212b700-8885-1236-08b3-000c293ae94e
CSeq: 118770326 INVITE
Contact: <sip:mod_sofia at 192.168.50.65:15060>
User-Agent:
FreeSWITCH-mod_sofia/1.6.19+git~20171120T163416Z~b1b21d0695~64bit
Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE,
REGISTER, REFER, NOTIFY
Supported: timer, path, replaces
Allow-Events: talk, hold, conference, refer
Content-Type: application/sdp
Content-Disposition: session
Content-Length: 891
X-FS-Support: update_display,send_info
Remote-Party-ID: <sip:1002 at 192.168.50.65
>;party=calling;screen=yes;privacy=off
Freeswitch appends a route header to the invite specifying kamailio as
route and a received with original uri.
well, here is the issue ... im failing to hit the SIP over websocket
client... Kamailio
my RELAY route is like this
route[RELAY] {
# enable additional event routes for forwarded requests
# - serial forking, RTP relaying handling, a.s.o.
if (is_method("INVITE|BYE|SUBSCRIBE|UPDATE")) {
if(!t_is_set("branch_route")) {
xlog("L_ALERT", "Its a Branch, go manage that !!!
<$ru>\n");
t_on_branch("MANAGE_BRANCH");
}
}
if (is_method("INVITE|SUBSCRIBE|UPDATE")) {
if(!t_is_set("onreply_route")) {
xlog("L_ALERT", "its onreply_route, go manage !!!
<$ru>\n");
t_on_reply("MANAGE_REPLY");
}
}
if (is_method("INVITE")) {
if(!t_is_set("failure_route")) {
xlog("L_ALERT", "Its failure_route, go manage !!!
<$ru>\n");
t_on_failure("MANAGE_FAILURE");
}
}
$fs = "udp:192.168.50.60:5060";
xlog("L_ALERT", "Trying to rely !!! <$ru>\n");
if (!t_relay()) {
xlog("L_ALERT", "failed to rely !!! <$ru>\n");
sl_reply_error();
}
exit;
}
here is a part of the log:
Feb 9 22:48:48 incfskamtest01 /usr/sbin/kamailio[14896]: WARNING: <core>
[core/forward.c:231]: get_send_socket2(): protocol/port mismatch (forced
udp:192.168.50.60:5060, to ws:192.0.2.110:5060)
Feb 9 22:48:48 incfskamtest01 /usr/sbin/kamailio[14896]: DEBUG: <core>
[core/msg_translator.c:424]: clen_builder(): content-length: 916 (916)
Feb 9 22:48:48 incfskamtest01 /usr/sbin/kamailio[14896]: WARNING: <core>
[core/msg_translator.c:2765]: via_builder(): TCP/TLS connection (id: 0) for
WebSocket could not be found
Feb 9 22:48:48 incfskamtest01 /usr/sbin/kamailio[14896]: ERROR: <core>
[core/msg_translator.c:1980]: build_req_buf_from_sip_req(): could not
create Via header
Feb 9 22:48:48 incfskamtest01 /usr/sbin/kamailio[14896]: ERROR: tm
[t_fwd.c:476]: prepare_new_uac(): could not build request
Feb 9 22:48:48 incfskamtest01 /usr/sbin/kamailio[14896]: ERROR: tm
[t_fwd.c:1735]: t_forward_nonack(): failure to add branches
Feb 9 22:48:48 incfskamtest01 /usr/sbin/kamailio[14896]: DEBUG: tm
[t_funcs.c:334]: t_relay_to(): t_forward_nonack returned error -2 (-2)
Feb 9 22:48:48 incfskamtest01 /usr/sbin/kamailio[14896]: DEBUG: tm
[t_funcs.c:352]: t_relay_to(): -2 error reply generation delayed
Feb 9 22:48:48 incfskamtest01 /usr/sbin/kamailio[14896]: ERROR: ***
cfgtrace:request_route=[RELAY] c=[/etc/kamailio/kamailio.cfg] l=744 a=26
n=xlog
Feb 9 22:48:48 incfskamtest01 /usr/sbin/kamailio[14896]: ALERT: <script>:
failed to rely !!! <sip:1001 at 192.0.2.110;transport=ws>
is that because i set a $fu before t_relay() ?
any idea how to approach the issue ?
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