[Serusers] Re: [Serdev] nathelper updated to support RTP proxy

Hi Maxim, I made the test. There is some problems: 1. The source of RTP proxy did not compile. I replaced Makefile with Makefile.linux. The following error message is given: cc -o main.o -c main.c main.c: In function `setbindhost': main.c:83: structure has no member named `sin_len' make: *** [main.o] Error 1 I commented line 83 in main.c and it compiled and the executive run. 2 I run ser with the example script rtpproxy.cfg (modified to work in my network). rtpproxy is also started. I made a nat call and here is the debug message: 0(29497) WARNING: could not rev. resolve 192.17.1.173 Listening on 192.17.1.173 [192.17.1.173]:5060 Aliases: WARNING: no fork mode textops - initializing stateless - initializing 0(0) INFO: udp_init: SO_RCVBUF is initially 65535 0(0) INFO: udp_init: SO_RCVBUF is finally 131070 0(29497) ERROR: extract_mediaip: no `c=' in SDP 0(29497) ERROR: get_rtpp_port: can't read reply from a RTP proxy 0(29497) WARNING: get_body_len: Content-TYPE header absent!let's assume the content is text/plain ;-) 0(29497) ERROR: on_reply processing failed 0(29497) WARNING: get_body_len: Content-TYPE header absent!let's assume the content is text/plain ;-) 0(29497) ERROR: on_reply processing failed 0(29497) ERROR: extract_mediaip: no `c=' in SDP 0(29497) ERROR: get_rtpp_port: can't read reply from a RTP proxy 0(29497) ERROR: on_reply processing failed 0(29497) ERROR: extract_mediaip: no `c=' in SDP 0(29497) ERROR: get_rtpp_port: can't read reply from a RTP proxy 0(29497) WARNING: get_body_len: Content-TYPE header absent!let's assume the content is text/plain ;-) 0(29497) ERROR: on_reply processing failed 0(29497) WARNING: get_body_len: Content-TYPE header absent!let's assume the content is text/plain ;-) 0(29497) ERROR: on_reply processing failed 0(29497) ERROR: extract_mediaip: no `c=' in SDP 0(29497) ERROR: get_rtpp_port: can't read reply from a RTP proxy 0(29497) ERROR: on_reply processing failed In fact, it should not work because I did not tell ser how to find rtpproxy. But I did not find any information to do so. 3. In rtpproxy.cfg, I found the following script: if (search("User-Agent: Cisco ATA.*")) { setflag(1); # remember this is ATA force_rport(); fix_nated_contact(); What force_rport() is for? And in which module is it defined? 4. There is two option or parameters for rtpproxy. rtpproxy: usage: rtpproxy [-f] [-l address] Is there more information about its usage other than message above? 5. In README of module nathelper, I found: Name: fix_nated_sdp() Params: mode - 0x01 (add direction=active), 0x02 (rewrite media IP address with source address of the message) Desc: Rewrites SDP body in accordance with mode flag Example: if (search("User-Agent: Cisco ATA.*") {fix_nated_sdp(3);}; Does fix_nated_sdp(3) means direction=active and rewrite media IP address with source address of the message? And what does direction=active means? And: Name: force_rtp_proxy Params: none So what does mean? Your reply is so soon, Maxim. Younger Wang ----- Original Message ----- From: "Maxim Sobolev" <sobomax(a)portaone.com> To: <serusers(a)lists.iptel.org> Cc: <serdev(a)lists.iptel.org> Sent: Sunday, July 06, 2003 10:16 AM Subject: [Serdev] nathelper updated to support RTP proxy