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 To :  yate@v...
 From :  Koochy Black <koochy@a...>
 Subject :  SIP -> Sending Bye after Cancel, why?
 Date :  Wed, 22 Jul 2009 16:44:40 +0200
Hi again,

first of all, I want to thank you all people, who have helped me and
especially the Null Team, which has made a really good working and
stable VoIP Switch!!!
The days working with asterisk are finally gone, yes!
Back to my Problem. I'm testing right now yate with a big provider,
right now. At the test we found a strange behaviour of yate?!, the
scenario is like that: (see the jpg)

-Caller makes an invite
-Called Party answers
 RTP
-Caller Hangs

At this test yate sends a Cancel AND a Bye Signal, more or less at the
same time. Now I'm wondering, why yate is sending a Cancel and a Bye
signal, as I know Cancel is enough, Bye is wrong. My question is, why
yate is sending both (Cancel, Bye), how do I change it. Have I made some
wrong settings?

Thank you so much for your Help

       Koochy Balck

CANCEL sip:xxxxxxx@xxxx SIP/2.0
Via: SIP/2.0/UDP xxxxxx:5060;rport;branch=z9hG4bK2032801151
From: "sc-koochy" ;tag=1942400349
To: 
Call-ID: 1208601738@xxxxxxx
CSeq: 6 CANCEL
User-Agent: xxxxxxx
Max-Forwards: 70
Allow: ACK, INVITE, BYE, CANCEL, REGISTER, REFER, OPTIONS, PRACK, INFO
Content-Length: 0


BYE sip:xxxxxx@xxxxx SIP/2.0
Call-ID: 1208601738@xxxxx
From: ;tag=1942400349
To: ;tag=SD98hma99-59a387f0
Reason: SIP;text="Cancelled"
Via: SIP/2.0/UDP xxxx:5060;rport;branch=z9hG4bK257014872
CSeq: 7 BYE
User-Agent: xxxxxx
Max-Forwards: 70
Allow: ACK, INVITE, BYE, CANCEL, REGISTER, REFER, OPTIONS, PRACK, INFO
Content-Length: 0