Various embodiments are described which can provide reduced PTT call setup times and a
greater degree of service integration for PTT users. A PTT originator's MSC (171) notifies …

A method and apparatus for providing a network based Fixed Mobile Convergence (FMC)
service are disclosed. For example, the method receives a NB-FMC call request originating …

The present invention relates generally to an improved communications System and in
particular to a method and apparatus for establishing and maintaining a communication …

6.298. 056 B1 10, 2001 Pendlse.......................... 370,352 switched networks and one or more
public switched tele 65 53.5 15 B1 4/2003 Gross et al...... 714. f47. 2 phone networks; …

BACKGROUND With the separation of call and media processing (eg Voice over Internet
protocol (VoIP)) combined with the distribution of call state across multiple elements (eg …

(57) ABSTRACT A method and an apparatus for processing a session requestin a network
are disclosed. For example, the method receives the session request by a Serving-Call …

A user device registers with a proxy-call session control function device (P-CSCF)
associated with an Internet protocol (IP) multimedia subsystem (IMS). The user device …

Abstract A Session Initiation Protocol (SIP) proxy server including a multi-core central
processing unit (CPU) is presented. The multi-core CPU includes a receiving core dedicated …

US8126469B2 - Method and apparatus for call setup latency reduction - Google Patents
US8126469B2 - Method and apparatus for call setup latency reduction - Google Patents …

In one embodiment, assigning a policy to a communication session includes facilitating the
communication session for an endpoint. Policy data is determined from one or more …