Hello All,
In rfc 3261 section 6 Definition
SIP Transaction :
....
.....
If the request is INVITE and the final
response is a non-2xx, the transaction also
includes an ACK to the response. The ACK for a 2xx response to an
INVITE request is a separate transaction.
My query is why ACK is considered as a part of same transaction when in case
of non-2xx response.?
regards
VIkram
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