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How do I support call transfer when a session has
already been started.
The scenario is like this
A
----------------> B
invite
A
<---------------
B
180
A
<---------------
B
200
_________________________
Media has started
Now B has to to transfer the call
to C so that the media between A and B is terminated and the media is started
between A and C.
The point is B has to make the
transfer.
How is this possible using the SIP
protocol.
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