[Please don't cross post to multiple lists. In this case
sip-implementors was the right place.]
Amarendra Kumar wrote:
Hi,
Can forking be implemented in B2BUA?
The simple answer is that *anything* can be implemented in a B2BUA.
This is because there are very few constraints on what a B2BUA can do.
Almost everyone who asks this question believes a B2BUA has more
definition to it than is really the case.
I mean to say can B2B do forking like Proxy servers on receiving the request.
It can do forking on receiving a request. But not "like a proxy" because
it isn't acting as a proxy. It can really do much more than a proxy can do.
Lets say in my implementation there is a single server probably a stand-alone
B2B. Is B2B is the right place to implement application like Shared
Call Appearance.
That is a whole different question. That is one way to implement various
features, like shared call appearance. Whether it is "the right place",
or a good place, is a subject of considerable debate, and depends on
your definition of "good". Using a B2BUA may make it possible to use an
architecture similar to a traditional PBX. But many consider it
inconsistent with the principles and goals of SIP.
Paul
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