A method and communications network node for allocating a priority level to an Internet
Protocol (IP) packet containing all or part of a Session Initiation Protocol (SIP) message. One …

The disclosure provides a method for supporting multiple time zones in an IP Multimedia
Subsystem (IMS). The method comprises: a Proxy Call Session Control Function (PCSCF) …

(86). PCT No.: PCT/EP2005/052439 A method and Serving Call/State Control Function (S-
CSCF) S371 (c)(1) for handling a Session Initiation Protocol (SIP) communica tion within an …

A method and equipment by which a telecommunication terminal (10) discovers (and may
enroll with) a Service Configuration Server (17) having (at least links to) configuration …

(57) ABSTRACT A method for use by an I-CSCF (12b) in resolving an address of a message
according to SIP but using a protocol agnostic Scheme, and corresponding equipment. The …

BACKGROUND In Internet Protocol Multimedia Subsystem (IMS) net works, a terminal is
required to register IMS public user identi? ers to the IMS network in order to receive …

A method, apparatus and computer program product are provided to facilitate the handover
from a packet switched network to a circuit switched network while an Internet protocol (IP) …

IP Multimedia Subsystem (IMS) are provided. The method includes: triggering a redundant
Call Session Control Func tion (CSCF); obtaining, by the redundant CSCF, user backup data …

A method and apparatus for interworking a session by a Mobile Switching Center (MSC)
server enhanced for IP Multimedia Subsystem (IMS) Centralized Services (ICS), the method …

The present invention provides a technique where application servers can initiate sessions
within the IMS network by ini tially sending session initiation messages to the I-CSCF. By …