Am 26.07.2011 09:39, schrieb Henrik Aagaard Sørensen: > I'm trying to setup a proxy and have installed rtpproxy. > > Trying to start it via: rtpproxy -l _your_public_ip_ -s > udp:localhost:7722 throws the warning: > rtpproxy: running this program as superuser in a remote control mode is > strongly not recommended, as it poses serious security threat to your > system. Use -u option to run as an unprivileged user or -F is you want > to run as a superuser anyway. > > Will Kamailio accept WITH_NAT etc. if I run rtpproxy with -u as > an unprivileged user?
Sure. Klaus > > On Tue, Jul 26, 2011 at 9:32 AM, Klaus Darilion > <klaus.mailingli...@pernau.at <mailto:klaus.mailingli...@pernau.at>> wrote: > > > > Am 26.07.2011 09 <tel:26.07.2011%2009>:23, schrieb Henrik Aagaard > Sørensen: > > I'm a newbee in the world of Kamailio. > > > > I've managed to setup a fresh installation of Kamailio, with > > authentication etc. (with help from some great guys on this > mailing-list). > > > > Everything seems to work with registers, calls etc. except that > there is > > no sound on my calls. > > > > How do I figure out what the problem is? > > If you want to figure out the problems yourself then a packet sniffer > (tcpdump, wireshark, ngrep) is your friend. Basically you watch out for > certain kind of packets which should be there, watch where they are sent > to, and if this is correct (compare with IP adresses signaled in SIP > payload). > > "No sound" is usually a NAT problem which can be solved by activating a > media relay (e.g. rtpproxy) and rewriting the SDP to route the media > stream via the rtpproxy. > > For message inspection I prefer ngrep: > > Just for the SIP traffic: > ngrep -d any -P "" -t -q -Wbyline port 5060 > > For SIP traffic and RTP (usually both use UDP): > > ngrep -d any -P "" -t -q -Wbyline "" udp > > > Check out the SDP (body of INVITE and 200 OK) and verify if the IP > addresses signaled in c= line and port in m= line are correct (public > vs. private IP). > > Verify also if you see UDP/RTP packets sent by the SIP clients. > > If the clients are behind NAT, activate NAT traversal in the config: > define WITH_NAT (or similar) > > regards > Klaus > > > _______________________________________________ > SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list > sr-users@lists.sip-router.org <mailto:sr-users@lists.sip-router.org> > http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users > > > > > _______________________________________________ > SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list > sr-users@lists.sip-router.org > http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users _______________________________________________ SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list sr-users@lists.sip-router.org http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
