[SR-Users] truncating sip message

[ycaner]

    Hello Daniel; 
          3 day ago , i just started to work on rtpproxy. My call flow 
      like UAC1--> Kamailio1---> Kamailio2+RTPPROXY--> UAC2 but
      it doesnt work because i saw sdp body has missing parameters but
      rtp flows like UAC1<---->UAC2. And then i removed first
      kamailio and i saw it worked correctly and there is no mistake on
      sdpbody. RTP flows like UAC1--->Kamailio2+RTPPROXY---->UAC2
      and SIP Flows like UAC1----> Kamailio2+RTTPROXY-->UAC2.  i
      thought it is really weird because how is possible Kamailio1
      effect like that. And then i removed nearly all modules and left
      simple cfg. i realized that appending header effects it. Could you
      help me about it, please 
      
      Thanks 
      
      i solved remove_hf function that kamailio removes header field
      that adds by self , after msg_apply_changes(). 
      
      i tested UAC1--->Kamailio2---->UAC2 call flow and added 14
      header doesnt have any problem. 
      
      Thanks. 
    
    
    
    08.04.2016 12:03 tarihinde
      Daniel-Constantin Mierla-6 [via SIP Router] yazdı: 
    
    
      
      Hello, 
      
      how did you asserted the fact that the message is truncated? Is
      the next SIP hop not retrieving it with full content? Or just you
      looked at some traces on the net, if this one, note that some
      network sniffing tools are having their limitations in what they
      display. 
      
      Daniel 
      
      On 08/04/16 09:30, ycaner wrote: 
      
      
        
        Hello Daniel; 
          
              in request route when invite comes, a header is added like
          P-SrcUserid. when i added new header , it truncate sdpbody.
          before t_relay(), i try to remove header, and it didnt. main
          problem is why truncates sdpbody when i added new header? 
          
          Thanks. 
          
          
          Works fine sip messages: http://pastebin.com/t7v9c2vW 
          removes coming headers cfg,but i couldnt remove P-Provider

            and P-Uniqueid : http://pastebin.com/9tB7Lx3U 
          
          truncateting sip message : http://pastebin.com/DNuuJxhM 
        
        removes coming headers cfg,but i
            couldnt remove P-Provider and P-Uniqueid 
            and added P-SrcUserid : http://pastebin.com/XxhcV55v 
        
        08.04.2016 09:22 tarihinde
          Daniel-Constantin Mierla-6 [via SIP Router] yazdı: 
        
         Hello, 
          
          On 08/04/16 08:06, ycaner wrote: 
          > Hello; 
          > i think i found problem. it is textops module.Appending
          new header doesnt 
          > increase content length. in addition , remove_hf doesnt
          work correctly that 
          > doesnt remove headers. 
          > 
          the value of content lenght is about the body size, it is not
          affected 
          by new headers or removing old headers. 
          
          What do you mean by remove_hf() is not working? How you try
          it? Can you 
          send here how you use remove_hf() in config and the incoming,
          plus the 
          outgoing sip message? 
          
          Cheers, 
          Daniel 
          
          -- 
          Daniel-Constantin Mierla 
          http://www.asipto.com 
          http://twitter.com/#!/miconda  -


          http://www.linkedin.com/in/miconda 
          Kamailio World Conference, Berlin, May 18-20, 2016 - http://www.kamailioworld.com 
          
          
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      -- 
Daniel-Constantin Mierla
http://www.asipto.com 
http://twitter.com/#!/miconda  - http://www.linkedin.com/in/miconda 
Kamailio World Conference, Berlin, May 18-20, 2016 - http://www.kamailioworld.com 
      
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