Method and system for identifying respondent client in...

Details Method and system for identifying respondent client in... Method and system for identifying respondent client in...

2006-03-08

2009-11-24

Dean, Raymond S (Department: 2618)

Telecommunications

Transmitter and receiver at separate stations

Plural transmitters or receivers

C455S518000, C709S227000, C709S229000, C726S003000

Reexamination Certificate

active

07623883

ABSTRACT:
A method provides information of a client making a first response to a network-initiated push-to-talk-over-cellular (PoC) group session when the network-initiated PoC group session is established. When it is determined that an event meeting session establishment criteria occurs at a server managing a session, the session management server sends an INVITE message to at least one client to participate in the session to be established. A response signal to the INVITE message is received from the at least one client. A message containing information of the client making the first response is sent to the client making a request to establish the session. Thus, a user is informed of identification information of an initial caller and information of a requested conference, thereby enabling a PoC group call to be smoothly performed.

REFERENCES:
patent: 2005/0105511 (2005-05-01), Poikselka
patent: 2005/0215273 (2005-09-01), Ito
patent: 2005/0265350 (2005-12-01), Narasimha et al.
patent: 2005/0267969 (2005-12-01), Poikselka et al.
patent: 2006/0089998 (2006-04-01), Kim et al.
patent: 2006/0172752 (2006-08-01), Harris et al.
Raktale, 3PoC: An Architecture for Enabling Push to Talk Services in 3GPP Networks, 2005 IEEE International Conference on Personal Wireless Communications, Jan. 23-25, 2005, pp. 202-206.
Kim et al., IMS-Based Push-to-Talk Over GPRS/UMTS, Wireless Communications and Networking Conference, Mar. 13-17, 2005; pp. 2472-2477.

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