[reSIProcate] CANCEL before provisional recieved.

[Volodymyr.Stepanov at aricent.com]

Hello!

Currently i'm investigating SIP using resiprocate library.
And i'm stuck at such problem.
User A send INVITE to User B.
After that A sends CANCEL and , like RFC sais i've no effect ,so call 
remains established on the User B side.
What is the way to "fix" this problem?
Currently if A try to send CANCEL in trying state I send BYE...Am I doing 
right?
I found couple of thougths about this problem in resiprocate-devel mailing 
list ,but there os no specifically decision.
Deeply appreciate for attention.

Best regards,

Volodymyr Stepanov

A R I C E N T

Kyiv, Ukraine

MSN : stepanov_v_m at hotmail.com
ICQ : 272708933
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