[OpenSIPS-Users] OpenSIPS cannot connect to "mediaproxy/dispatcher.sock"

[Steven Platt]

Greetings,

I am having difficulty getting OpensSIPS to connect to MediaProxy for the
purpose of bridging media of clients behind NAT, and hope the community has
advice on how to resolve.

I have installed MediaProxy from the Debian Jessie repository, and updated
the config.ini file to disable TLS, Radius, etc - and set the dispatcher
and relay IP to the public IP of my opensips server. I have mediaproxy and
opensips installed to the same server with a direct public IP.

Currently, it looks as though opensips correctly detects the client is
behind NAT and tried to invoke mediaproxy. The calls seem to fail when
opensips goes to connect to mediaproxy using the designated socket.
Although mediaproxy service is running - it does not create the socket.

Opensips version = 2.3.5

--------------------------------------------------------

cat /var/log/opensips.log shows | tail

root@[my-server]:~# cat /var/log/opensips.log | tail
Sep 21 19:08:59 [my-server] /usr/sbin/opensips[16080]:
INFO:core:probe_max_sock_buff: using snd buffer of 416 kb
Sep 21 19:08:59 [my-server] /usr/sbin/opensips[16080]:
INFO:core:init_sock_keepalive: TCP keepalive enabled on socket 61
Sep 21 19:09:21 [my-server] /usr/sbin/opensips[16081]:
ERROR:mediaproxy:mediaproxy_connect: failed to connect to
/var/run/mediaproxy/dispatcher.sock: No such file or directory
Sep 21 19:09:21 [my-server] /usr/sbin/opensips[16081]: new branch at
sip:1000@
[client-outside-nat-ip]:44180;rinstance=4050910af32f1c09;transport=TCP
Sep 21 19:09:21 [my-server] /usr/sbin/opensips[16081]:
INFO:core:probe_max_sock_buff: using snd buffer of 416 kb
Sep 21 19:09:21 [my-server] /usr/sbin/opensips[16081]:
INFO:core:init_sock_keepalive: TCP keepalive enabled on socket 63
Sep 21 19:13:34 [my-server] /usr/sbin/opensips[16081]:
ERROR:mediaproxy:mediaproxy_connect: failed to connect to
/var/run/mediaproxy/dispatcher.sock: No such file or directory
Sep 21 19:13:34 [my-server] /usr/sbin/opensips[16081]: new branch at
sip:1000@
[client-outside-nat-ip]:44180;rinstance=4050910af32f1c09;transport=TCP
Sep 21 19:13:34 [my-server] /usr/sbin/opensips[16081]:
INFO:core:probe_max_sock_buff: using snd buffer of 416 kb
Sep 21 19:13:34 [my-server] /usr/sbin/opensips[16081]:
INFO:core:init_sock_keepalive: TCP keepalive enabled on socket 63

--------------------------------------------------------

/etc/init.d/mediaproxy-relay and mediaproxy-dispatcher start does not give
any error, and returns OK status for MediaProxy.

The opensips module config for MediaProxy is:

#### Media Proxy module
loadmodule "mediaproxy.so"
modparam("mediaproxy", "mediaproxy_socket",
"/var/run/mediaproxy/dispatcher.sock")
modparam("mediaproxy", "mediaproxy_timeout", 500)
modparam("mediaproxy", "signaling_ip_avp", "$avp(nat_ip)")
modparam("mediaproxy", "media_relay_avp", "$avp(media_relay)")
modparam("mediaproxy", "ice_candidate", "low-priority")
modparam("mediaproxy", "ice_candidate_avp", "$avp(ice_candidate)")

The MediaProxy config.ini set the socket to this as well:

[Dispatcher]
; Local socket on which to communicate with OpenSIPS. The OpenSIPS
mediaproxy
; module should be configured to connect to this socket. If a relative path,
; /var/run/mediaproxy will be prepended. Default value is dispatcher.sock.
;
socket_path = dispatcher.sock

Any advice for this would be much appreciated. I have tried to resolve and
find configuration examples for a few hours now.
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