Patent ID: 9369942
Filing Date: 2016-06-14
CPC Classification: H04L,H04M,H04W

Claim Text:
1. A communication network, comprising: an access network; a switching control network comprising call control entities that form a pool of control nodes comprising a first group of control entities and a second group of control entities, the call control entities arranged for providing services to subscribers, wherein the access network is configured to route signalling of a given subscriber to a call control entity where the given subscriber is registered; and an Internet Protocol based network for providing a set of services centered in the Internet Protocol based network to one or more of the subscribers; wherein each call control entity in the first group of call control entities is configured to provide call control services to subscribers having circuit switched subscriptions, and each call control entity in the second group of call control entities is configured to provide a gateway to connect to the Internet Protocol based network for subscribers having subscriptions to the set of services centered in the Internet Protocol based network; and wherein each first call control entity comprises a subscriber association redirector configured to move a registration of a first subscriber, registered with each corresponding first call control entity and having a subscription to the services centered in the Internet Protocol based network, to the group of second call control entities such that the registration of the first subscriber is removed from the corresponding first call control entity.