A subscriber of a telecommunication system has a plurality of associated telecommunication
devices which are each contactable via a device-shared identification address. A first device …

(57) ABSTRACT A communication network allows an end user to dynami cally select a user
device among user devices associated with the user's subscription as the primary user …

Wireless communication systems have developed through various generations, including a
first-generation analog wireless phone service (1G), a second-generation (2G) digital …

A proposed method and system provide a way of receiving incoming VOIP call without
maintaining of permanent SIP registration. To keep pinhole opened at firewall, VOIP client …

BACKGROUND When a communication device Submits a request to be registered in an IP
multimedia subsystem (IMS) network a number of network elements of the IMS network …

The present invention provides apparatuses, methods, computer programs, computer
program products and computer-readable media regarding IMS (Internet Protocol …

In an embodiment, a method and corresponding apparatus of managing call routing
includes sending a first message by a session border controller (SBC) to a routing engine …

A method performed by a network node, for handling an outgoing media call of a user
associated with multiple User Equipment, UEs, in a communications network is provided …

A method performed by a network node, for handling an outgoing call from a first user in a
communications network. The network node receives a request for the outgoing call to be …

The present invention provides apparatuses, methods, com puter programs, computer
program products and computer readable media regarding IMS (Internet Protocol Multime …