[Serusers] nathelper / rtpproxy

Hello, I'am using The standar nathelper.cfg,v 1.1.2.1 CVS ser - stable (version: ser 0.8.12-tcp_nonb (i386/linux)) and rtpproxy 20040107 I got these error from the debug log ----------------------------------- May 29 15:51:59 sip /usr/local/sbin/ser[17674]: ERROR: extract_body: message body has lenght zero May 29 15:51:59 sip /usr/local/sbin/ser[17674]: ERROR: force_rtp_proxy: can't extract body from the message May 29 15:51:59 sip /usr/local/sbin/ser[17674]: ERROR: on_reply processing failed ----------------------------------- I also got this error running rtpproxy -f ------------------------------------- [root@sip ]# rtpproxy -f rtpproxy: rtpproxy started, pid 17940 rtpproxy: command syntax error rtpproxy: command syntax error ------------------------------------- Please advise if there is something wrong with the versión (and how i can get the correct version) Thanks Ri Liang