Hi Mikhail,
When using WS(S), for the messages coming from the WS(S) endpoint ( with
Contact with "invalid") you need to do "fix_nated_contact()", to
transform that contact into a routable SIP URI.
Regards,
Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
https://www.opensips-solutions.com
OpenSIPS Summit 2019
https://www.opensips.org/events/Summit-2019Amsterdam/
On 05/25/2019 03:35 AM, Mikhail wrote:
Hi
opensips 2.4 and rtpengine.
webrtc SIP clients based on jsSIP 3.3.6
to accounts jssip1 and jssip2
jssip1 calls jssip2 or jssip2 calls jssip1 - call established
jssip1 place call on hold and then unhold - no problem
now if jssip2 place call on hold it receives SIP/2.0 476 Unresolvable
destination (476/TM) from opensips and call brakes.
also in opensips.log there are a messages like this:
May 25 02:42:41 opensips-01 /usr/sbin/opensips[19704]:
CRITICAL:core:mk_proxy: could not resolve hostname:
"djgppiddv7t0.invalid"
May 25 02:42:41 opensips-01 /usr/sbin/opensips[19704]:
ERROR:tm:uri2proxy: bad host name in URI
<sip:lp7tmvt6@djgppiddv7t0.invalid;transport=ws;ob>
May 25 02:42:41 opensips-01 /usr/sbin/opensips[19704]:
ERROR:tm:t_forward_nonack: failure to add branches
what i found:
While call setup jsip1 sends initial invite:
INVITE sip:jsip2@192.168.18.78 SIP/2.0
Contact: <sip:lp7tmvt6@djgppiddv7t0.invalid;transport=ws;ob>
server resends to jsip2 invite and replaces Contact with the real ip
of jsip1:
INVITE sip:60s8k9ep@192.168.21.117:49882;transport=ws SIP/2.0
Contact: <sip:lp7tmvt6@10.20.32.10:46099;transport=ws;ob>
When jssip1 place call on hold or unhold, it sends invite to server with
INVITE sip:60s8k9ep@192.168.21.117:51630;transport=ws SIP/2.0
Contact: <sip:lp7tmvt6@djgppiddv7t0.invalid;transport=ws;ob>
server resends to jsip2 invite and do not changes Contact:
INVITE sip:60s8k9ep@192.168.21.117:51630;transport=ws SIP/2.0
Contact: <sip:lp7tmvt6@djgppiddv7t0.invalid;transport=ws;ob>
Next, when jssip2 places call on hold, it sends invite:
INVITE sip:lp7tmvt6@djgppiddv7t0.invalid;transport=ws;ob SIP/2.0
and server can't resolve djgppiddv7t0.invalid, it expects real address
here
does anybody have an idea, who is responsible for the problem - jssip,
opensips or rtpengine ?
Laba Mikhail
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