Questions on IMS should probably be directed towards 3gpp mailers, since
that it is where it is being standardized. For SIP questions, you should
direct your queries to sip-implementors(_at_)cs(_dot_)columbia(_dot_)edu, which is where
general implementation help and Q&A takes place. For issues related to
sip protocol design, please direct those to the sip list here at IETF,
sip(_at_)ietf(_dot_)org(_dot_)
To answer your question, I think you are perhaps talking about a call
transfer. That is accomplished by sending a REFER request from the
caller to the called party to transfer them.
-Jonathan R.
Nuno Novo wrote:
In the IMS network when the Called party, after speaking with the
Caller for a while, sends a BYE request there is a possibility for
reconnecting the Caller to another called party (reconnect). The Caller
is putted in a state of standby but is not disconnected.
Caller ------------------------à Called party
1--------------------------à Called party 2
The question is the following, when the second called party is contacted
we need to connect the Caller to this new Called party, so how this is
made? Is the Caller informed of the address of the new called party by a
SIP UPDATE? Or this process is made in the MRCP that judges this call as
a conference call?
Regards,
Nuno Novo
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Jonathan D. Rosenberg, Ph.D. 600 Lanidex Plaza
Director, Service Provider VoIP Architecture Parsippany, NJ 07054-2711
Cisco Systems
jdrosen(_at_)cisco(_dot_)com FAX: (973) 952-5050
http://www.jdrosen.net PHONE: (973) 952-5000
http://www.cisco.com
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