reinvite or refer

Lebing Xie <[email protected]>
Newsgroups gmane.comp.voip.nist-sip
Organization Fraunhofer FOKUS Berlin
Message-ID <1152282026.5428.6.camel@localhost>
Hallo,

I am writing a B2BUA based on JAIN SIP, the senario is:

There is a media session between A and B with help of a B2BUA in middle:

A-----B2B-----B


       C


now I want to redirect the media stream from A-B to A-C, so should the
B2BUA send Refer or reInvite to A (for leg B2BUA-B, simply a BYE,
or?)?  

urs Lebing
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