[SR-Users] User offline

[ycaner]

    Hello; 
      you can use rtpproxy or rtpengine. you need to search how to use
      on google. rtpproxy/rtpengine fixes sdp packets that has tons of
      flags and there is a lot of option on sdpops module to change it.
      for example; you can check with nat_uac_client(8) and fix sdp with
      rptproxy_offer/rtpproxy_manage("cor") function. 
    
    there is 2-3 sample about it , here is kamailio doc how to use
    functions. 
    
    http://www.kamailio.org/docs/modules/4.3.x/modules/rtpproxy.html#idp2564344 
    http://www.kamailio.org/docs/modules/4.3.x/modules/nathelper.html#nathelper.f.nat_uac_test 
    
    -- samples --- 
    http://saevolgo.blogspot.com.tr/2013/08/rtpproxy-revisited-kamailio-40.html 
    http://www.fredposner.com/1457/kamailio-behind-nat/ 
    http://nil.uniza.sk/sip/nat-fw/configuring-nat-traversal-using-kamailio-31-and-rtpproxy-server 
    
    Cheers. 
    
    2016-05-06 09:59 tarihinde 王欣鑫 [via SIP
      Router] yazdı: 
    
     Hello,ycaner! 
      
      Now I use a real IMS user data to register this user(for example
      18616278715) to China Unicom's IMS through kamailio. 
      
      I can register successsfully, and can make call using this number,
      the callee can pick up phone. However 
      neither party can hear counter part. 
      
      So, this should be rtp problem. And I captured a .pcap file on
      port 5060 like below. In this, I see in SDP information 
      it says 192.168.199.124, it's a  private address. So maybe the
      callee can't setup a circuit to this ip, and thus no media was
      transfered? 
      
      Should I uncomment RTPPROXY_ADDRESS, as in my pcscf.cfg there are
      two lines. If I should do this, what ip and port should I use to
      replace "udp:10.1.2.186:22222 udp:10.1.27.217:22222" ?
      
      
      # IP-Adress(es) of the RTP-Proxy 
      ##!define RTPPROXY_ADDRESS "udp:10.1.2.186:22222
      udp:10.1.27.217:22222" 
      ##!define RTPPROXY_ADDRESS "udp:10.1.2.186:22222" 
      
      This is the .pcap file captured on port 5060. 
      5060.pcap 
      
      
      
      
      
      
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