Method and apparatus for providing conference call...

Details Method and apparatus for providing conference call... Method and apparatus for providing conference call...

2006-12-26

2006-12-26

Nguyen, Brian (Department: 2616)

Multiplex communications

Special services

Conferencing

C379S205010

Reexamination Certificate

active

07154864

ABSTRACT:
A method and corresponding equipment for setting up a conference call via a communication network that uses session initiation protocol (SIP) signalling for call setup, the method including steps (E1aE2aE3aE4a) of providing during the call setup signalling to a subscriber invited to participate in the conference call an indication that the call is a conference call and including in the call setup signalling a reference to a group document indicating information about the conference call, such as the other invited participants, or including the group document itself.

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SIP: Session Initiation Protocol, RFC 2543, Handley, et al; Mar. 1999; pp. 1-153.

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