[SIPForum-discussion] Which should be the correct behaviour?

[Andrea Puddu]

Hello, 

does anybody know which should be the correct phone behaviour in these two scenarios?

-          
Scenario 
1:
SIP phone sends an 
INVITE (D1)
SIP phone sends a 
CANCEL (C1)
SIP phone receives C1 200 
OK 
SIP phone receives D1 200 
OK 
 
-          
Scenario 
2:SIP phone sends an 
INVITE (D1)

SIP phone sends a 
CANCEL (C1)

SIP phone DOES NOT receive C1 200 
OK 

SIP phone receives D1 200 
OK
Thanks,
Andrea


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