Multiplex communications – Special services – Conferencing
Reexamination Certificate
2008-01-08
2008-01-08
Smith, Creighton (Department: 2614)
Multiplex communications
Special services
Conferencing
C709S202000
Reexamination Certificate
active
07317695
ABSTRACT:
An apparatus and method initiates a conference call in a telecommunication system. A call set up message is sent by a user's equipment, a message header indicating the equipment's own public identity as the call recipient and a tag indicating that the user equipment only accepts a conference call server as the recipient of the message. A network element configured to process messages from the user equipment receives the message and redirects the message to a conference call server on the basis of the header fields of the message. The conference call server detects that the message is a conference call set up message on the basis of the header fields of the message, and establishes a conference call.
REFERENCES:
patent: 2004/0073566 (2004-04-01), Trivedi
patent: 2004/0202303 (2004-10-01), Costa-Requena et al.
Mayer Georg
Stahl Heikki
Nokia Corporation
Smith Creighton
Squire Sanders & Dempsey L.L.P.
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