[OpenSIPS-Users] media-dispatcher and media relay connection problem

[Barsan Liviu]

Hello,

I installed OpenSIPs and MediaProxy in order to have a far-end NAT traversal 
solution, unfortunately the server isn't stable, I can speak from one Blink 
client to another few times, but most of the time I can not call because 
media-relay and media proxy can not connect, I see in the logs the following 
error:

May 25 10:43:16 P4025 media-dispatcher[2517]: Starting MediaProxy Dispatcher 
2.4.4
May 25 10:43:17 P4025 media-dispatcher[2517]: using set_wakeup_fd
May 25 10:43:17 P4025 media-dispatcher[2517]: Twisted is using epollreactor
May 25 10:43:17 P4025 media-dispatcher[2517]: mediaproxy.dispatcher.RelayFactory 
starting on 25060
May 25 10:43:17 P4025 media-dispatcher[2517]: 
mediaproxy.dispatcher.OpenSIPSControlFactory starting on 
"'/tmp/dispatcher.sock'"
May 25 10:43:17 P4025 media-dispatcher[2517]: 
mediaproxy.dispatcher.ManagementControlFactory starting on 25061
May 25 10:43:24 P4025 media-dispatcher[2517]: debug: Connection from relay at 
80.97.161.39
May 25 10:43:24 P4025 media-dispatcher[2517]: debug: Issuing "sessions" command 
to relay at 80.97.161.39
May 25 10:43:24 P4025 media-relay[2493]: error: Could not connect to dispatcher 
at 80.97.161.39:25060 (retrying in 10 seconds): An unexpected TLS packet was 
received.
May 25 10:43:24 P4025 media-dispatcher[2517]: error: Connection with relay at 
80.97.161.39 was lost: Rehandshake was requested by the peer.
May 25 10:43:24 P4025 media-dispatcher[2517]: error: Unhandled error in 
Deferred:
May 25 10:43:24 P4025 media-dispatcher[2517]: RelayError: Relay at 80.97.161.39 
disconnected

This error I see even if just media-relay and media-dispatcher are started, 
opensips not.
This is the only error, the opensipsctl ul show display two registered blink 
clients and no other problems in logs.

And here are my server settings:

- Ubuntu 10.04 with public IP
- iptables loaded for media relay with sudo modprobe ip_tables
- OpenSIPs - opensips-1.6.4-2-tls  and MediaProxy 2.4.4
- MediaProxy tls dir copied to /etc/mediaproxy/tls

My config.ini from /etc/mediaproxy is

[Relay]
dispatchers = 80.97.xxx.xx:25060 
port_range = 50000:60000
log_level = DEBUG
on_hold_timeout = 1800

[Dispatcher]
socket_path = /tmp/dispatcher.sock
listen = 80.97.xxx.xx:25060
listen_management = 127.0.0.1:25061
management_use_tls = no
log_level = DEBUG

[TLS]
certs_path = /etc/mediaproxy/tls

[Database]
dburi = mysql://X:Y@localhost/opensips

; Name for the table.
sessions_table = media_sessions
callid_column = call_id
fromtag_column = from_tag
totag_column = to_tag
info_column = info

 
When I received the above error I made a netstat -anp and I got:
tcp        0      0 0.0.0.0:3306            0.0.0.0:*               LISTEN     
 1063/mysqld     
tcp        0      0 80.97.161.39:25060      80.97.161.39:57402      TIME_WAIT   
-               
tcp        0      0 80.97.161.39:22         80.97.161.66:48333      ESTABLISHED 
2396/1          
tcp        0      0 80.97.161.39:25060      80.97.161.39:57399      TIME_WAIT   
-               
tcp        0      0 80.97.161.39:25060      80.97.161.39:57403      TIME_WAIT   
-               
tcp        0     52 80.97.161.39:22         80.97.161.66:8757       ESTABLISHED 
2124/0          
tcp        0      0 80.97.161.39:22         80.97.161.66:22183      ESTABLISHED 
2305/sshd: root at not
tcp        0      0 80.97.161.39:25060      80.97.161.39:57400      TIME_WAIT   
-               
tcp        0      0 80.97.161.39:22         80.97.161.66:9150       ESTABLISHED 
2232/sshd: root at not


Any help would be appreciated since I have no idea why the relay and dispatcher 
does not connect

Thank you,
Liviu
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