[SIPForum-discussion] Time interval between requests

[Abhisek Acharya]

hey Mustafa,

few questions.

CANCEL is always after proviisonal response.Is there a B2B involved in u r
picture.If UAC sending CANCEL after receiving 1xx response then the B2B or
the UAS MUST process the CANCEL accordingly.Timer really does not
matter.Please test in your lab and lemme know with your result or you can
send me the call trace.

aside how can u be sure CANCEL is being not processed ?

abhisek


On Wed, Sep 5, 2012 at 1:00 PM, mustafa aydin <mustafaydin82 at yahoo.com>wrote:

> Hi All,
>
> Is there any time frame mentioned in RFCs which defines time interval
> between REQUESTS? For example, can UAC send CANCEL of a RE-INVITE just
> 0.0004 sec later ?  I tested some SIP servers , but none of them could
> handle the CANCEL properly when it comes just in such a short interval, but
> I  need to refer to RFCs in order to prove this wrong behaviour to vendor.
>
> Thanks,
> Mustafa AYDIN
>
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