[Kamailio-Users] rtpproxy error

Hi I have found following errors... Anybody how it occurs... Is there any special way to install rtpproxy..?? May 20 05:01:33 asterisk4 /sbin/kamailio[24792]: ERROR:nathelper:send_rtpp_command: can't connect to RTP proxy May 20 05:01:33 asterisk4 /sbin/kamailio[24792]: ERROR:nathelper:send_rtpp_command: proxy <unix:/var/run/rtpproxy.sock> does not respond, disable it May 20 04:11:40 asterisk4 /sbin/kamailio[24525]: WARNING:nathelper:rtpp_test: can't get version of the RTP proxy May 20 04:11:40 asterisk4 /sbin/kamailio[24525]: WARNING:nathelper:rtpp_test: support for RTP proxy <unix:/var/run/rtpproxy.sock> has been disabled temporarily -- Regards, Chandrakant Solanki