Method and system for multi-party call conferencing

Details Method and system for multi-party call conferencing Method and system for multi-party call conferencing

2006-04-11

2006-04-11

Deane, Jr., William J. (Department: 2642)

Telephonic communications

Special services

Conferencing

C379S201010, C379S221040

Reexamination Certificate

active

07027577

ABSTRACT:
A method and system for selecting a Multimedia Resource Function Controller (MRFC) for allocating resources for a conference call based on a pre-defined condition. In a first embodiment, the condition is associated with a status of an MRFC of a first network, such as an overload of resources, a failure, or an inexistence of the MRFC in the first network. When the condition is detected, an application server (AS) of the first network delegates the responsibility of allocating the resources for the conference call to an MRFC of a second network. In a second embodiment, the pre-defined condition is associated with a location of a User Equipment (UE) involved in the conference call. Based on the UE's location, the AS of the first network selects an MRFC of a second network, and delegates the responsibility of allocating the resources for the conference call to the MRFC of the second network.

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3GPP TS 23.218 V2.0.1, 3rdGeneration Partnership Project; Technical Specification Group Core Network; IP Multimedia (IM) Session Handling; IP Multimedia (IM) Call Model; Stage 2 (Release 5), Mar. 2002.
3GPP TS 23.228 V5.3.0, 3rdGeneration Partnership Project, Technical Specification Group Services and System Aspects, IP Multimedia Subsystem (IMS), Stage 2 (Release 5), Jan. 2002.

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