Hello,
This is from the definition of B2BUA from RFC 3261 -
'Since it is a concatenation of a UAC and UAS, no explicit definitions are needed for its behavior."
Since the behavior of a B2BUA is the same as the behavior of a UAC/UAS, what was the need for defining a new logical entity - B2BUA? I am trying to understand the motivation behind adding this definition in the RFC.
Regards,
Chinmay
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