Dear All,

I have a confusion in the following scenario.
After establishing a connection between two peers in a SIP trapezoid which
of the following sequence is correct while processing BYE where P1 and P2
are statefull proxies.

1. UAC    P1          P2        UAS

    BYE -> BYE -> BYE -> BYE
    200  <-  200  <- 200   <-  200

or

2. UAC    P1          P2        UAS

    BYE -> BYE
    200  <- 200

                BYE-> BYE
                200  <- 200

                             BYE -> BYE
                             200  <- 200

RFC 3665 is showing scenario 1. but RFC 3261 says 2 is also correct.

Thanks,
Kiran.
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