Hi, I confirmed that rtpproxy release v20040105 can work with sip_router release rel_0_8_12. However, BYE request cannot be handled correctly with sip_router/etc/nathelper.cfg . I'll check a reason of this issue and will report later again. Regards, From: - zaki - &lt;zaki(a)zaki.jp&gt; Date: Fri, 20 Feb 2004 14:07:28 +0900 (JST) > > Hi, > > I've tried to use portaone rtpproxy with nathelper, but it looks > there is interoperability problem. > > # export CVSROOT=:pserver:anonymous@cvs.berlios.de:/cvsroot/ser > # cvs co -r rel_0_8_12 sip_router > # (cd sip_router; make install) > # cvs co rtpproxy > # (cd rtpproxy; ./configure; make install) > # cp sip_router/etc/nathelper.cfg /usr/local/etc/ser/ser.cfg > > After editing ser.cfg to fit my site and starting ser and rtpproxy, > when I tried to make a call from an endpoint A behind NAT to endpoint > B behind NAT, signaling was OK(endpoint was ringing), but no media. > > In my /var/log/messages, following message appeared. > "ERROR: send_rtpp_command: can't connect to RTP Proxy" > So I traced rtpproxy process by "strace -p <rtpproxy's PID> -f -F", > then I saw "rtpproxy: command syntax error:" message. > I think there are no message format compatibility between sip_router > (branch rel_0_8_12) and rtpproxy(latest). > > Should I use another version to work them together? > > Regards, > > -- > zaki >