Jeannot Langlois wrote:

>Hmm - please ignore the last paragraph - while I can now successfully 
>run "sipp" with pcap support with the above commands, RTP streaming is 
>NOT working.  I mistakenly connected to something else than SIPP, 
>leading me to think that RTP streaming was working :)
>
>I've changed the "pause" instruction in my scenario to match the 
>approximate length of the pcap file.  It seems that the incoming PRACK 
>message sent by the client I'm using is coming in at an unexpected 
>moment (during the pause), causing the problem I'm now getting.
>
>
>(...)
>  
>

>2007-01-17 15:40:12: Aborting call on unexpected message for Call-ID 
>'[EMAIL PROTECTED]': while expecting '0' response, 
>received 'PRACK sip:[EMAIL PROTECTED] SIP/2.0
>v: SIP/2.0/UDP xxxxxxxx:5060;branch=z9hG4bK45ae8f50-0
>i: [EMAIL PROTECTED]
>f: <sip:[EMAIL PROTECTED]>;tag=1fc6-bd8-15e4-31dfd060
>t: <sip:[EMAIL PROTECTED]>;tag=1
>CSeq: 2 PRACK
>RAck: 6532 1 INVITE
>User-Agent: xxxxxxxxxxxxx
>Max-Forwards: 70
>l: 0
>
>' .
>  
>

Problem solved:

1.  It seems that SIPp is not buffering messages it receives while 
executing a "pause", and for this reason it aborts processing as it did 
above because it is not expecting messages to come in during a "pause" 
(so I tweaked my scenario to avoid this...).
2.  RTP streaming is now working -- the etherreal pcap file I had 
recorded and tried to playback with pcapplay did not work for some 
reason; the stock g711a.pcap one works for me.


Thanks for all your help,

-- 
Jeannot Langlois
Software Developer / Programmeur-Analyste
aka "SIP Phone Doctor" and "SIP PUBLISH/PRACK/UPDATE Expert"
Macadamian Technologies
(613) 739-5976 #137
www.macadamian.com

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