BACKGROUND The Internet Protocol Multimedia Subsystem (“IMS) is an architectural
framework for delivering Internet Protocol (“IP) multimedia to mobile users, such as users of …

BACKGROUND 0002. The IP Multimedia Subsystem (IMS) is an architec ture framework for
delivery of Internet protocol IP multime dia to mobile users. It was originally designed by the …

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 of initiating an IP Multimedia Sub-system communication for a user that is not
registered a priori with the IP Multimedia Subsystem. The method comprises receiving a …

BACKGROUND 0002 Many new network services and applications have recently been
emerging in the networking world. Such appli cations may include, for example, streaming …

0002 The local area network (LAN) is a group of com puters and associated devices that
share a common commu nications line and typically share the resources of a Single …

BACKGROUND Nowadays, there are scenarios where a user with a user's equipment
(hereinafter UE) can negotiate with a telecommu nication network, via a signalling layer …

BACKGROUND Current service providing network systems, such as the IP Multimedia
Subsystem as developed by the Third Generation Partnership Project (3GPP), are designed …

(57) ABSTRACT A packet-based, multimedia communication System is dis closed that
extends IP host functionality to wireless termi nals serviced by wireless links. A service …

BACKGROUND Nowadays, there are scenarios where a user with a user's equipment
(hereinafter UE) can negotiate with a telecommu nication network, via a signalling layer …