[OpenSIPS-Users] ERROR:nathelper:send_rtpp_command: can't send command to a RTP proxy

Arjun Shankar K S arjun_ks at kalycito.com
Mon Jun 25 16:58:31 CEST 2012

Hi All, 

Greeting to All!! 

I have opensips and rtp proxy in the same machine with a public IP. When I start the opensips with rtp proxy I get the below error. 

/usr/local/sbin/opensips[1691]: WARNING:nathelper:rtpp_test: can't get version of the RTP proxy 
/usr/local/sbin/opensips[1691]: WARNING:nathelper:rtpp_test: support for RTP proxy <udp:> has been disabled temporarily 
/usr/local/sbin/opensips[1683]: ERROR:nathelper:send_rtpp_command: can't send command to a RTP proxy 
/usr/local/sbin/opensips[1683]: ERROR:nathelper:send_rtpp_command: proxy <udp:> does not respond, disable it 

I started the rtp proxy with the below command, 

./rtpproxy -l my_public_ip -s udp: -F 

My opensip.cfg file has the following additions for NAT Traversal, 

#------Nat Params------------- 
modparam("usrloc","nat_bflag", 6) 
modparam("nathelper","rtpproxy_sock", "udp:") 
modparam("nathelper","natping_interval", 30) 
modparam("nathelper","ping_nated_only", 0) 
modparam("nathelper","sipping_bflag", 7) 
modparam("nathelper","sipping_from", "sip:pinger at PROXY_IP") 
modparam("registrar","received_avp", "$avp(i:42)") 
modparam("nathelper","received_avp", "$avp(i:42)") 

Please let me know where is the mistake. Any help is deeply appreciated. 


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