Method and system for requesting and granting PoC user media...

Details Method and system for requesting and granting PoC user media... Method and system for requesting and granting PoC user media...

2011-04-12

2011-04-12

Bost, Dwayne D (Department: 2617)

Telecommunications

Transmitter and receiver at separate stations

Plural transmitters or receivers

C455S414100, C455S516000, C455S518000, C455S519000, C370S235000

Reexamination Certificate

active

07925287

ABSTRACT:
Provided is a method and system for requesting and granting a media transmission right of a PoC user. The method includes a PoC client transmitting an MBCP Request message to a PoC server, the PoC server receiving the MBCP Request message, determining whether a current state corresponds to a media transmission denial condition, and if it is determined that the current state corresponds to a media transmission denial condition, transmitting an MBCP Deny message containing at least one of time information of a media transmission timer and time information of a retry-after timer to the PoC client, and the PoC client receiving the MBCP Deny message, activating the media transmission timer and the retry-after timer using the respective time information, and re-transmitting the MBCP Request message to the PoC server if one of the media transmission timer and the retry-after timer, the retry-after timer having a longer time value, expires.

REFERENCES:
patent: 7561528 (2009-07-01), Huh et al.
patent: 2006/0087973 (2006-04-01), Huang
patent: 2006/0116151 (2006-06-01), Sullivan et al.
patent: 2006/0281432 (2006-12-01), Isaac et al.
patent: 2007/0249381 (2007-10-01), Forslow
patent: 2010/0017524 (2010-01-01), Huh
OMA (Open Mobile Alliance) PoC User Plane Technical Specification V1.0, Jun. 9, 2006 (http://www.openmobilealliance.org/technical/release—program/docs/CopyrightClick.aspx?pck=PoC&file=V1—0-20060609-A/OMA-TS-PoC-UserPlane-V1—0-20060609-A.pdf).
Kim et al., “IMS-Based Push-To-Talk Over GPRS/UMTS”, IEEE Communications Society / WCNC 2005, 2005.

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