METHOD AND APPARATUS FOR MANAGEMENT OF PAGING RESOURCES ASSOCIATED WITH A PUSH-TO-TALK COMMUNICATION SESSION

摘要

A communication system (100) provides for an expedited response to an invitation to a Push-to-Talk (PTT) communication session from a terminating side (140, 150, 152) of the communication system when a target mobile station (MS) (132) is not currently available to participate in a PTT communication session by responding to a PTT session invitation prior to an expiration of a second, Paging timer and after a predetermined number of expirations of a first, Tbsreq9 timer or after a predetermined number of unsuccessful requests to page the target MS. In another embodiment of the invention, the communication system may further consider the contents of a downlink buffer (148) of a terminating side Packet Control Function (146) in determining whether and when to respond to an invitation to a PTT communication session, utilizing a third, TpagingBackoff timer in determining when to request a page of a non-responsive target MS.