Patent ID: 9426643
Filing Date: 2016-08-23
CPC Classification: H04L,H04W

Claim Text:
1. A method, comprising: receiving, at a network device, a first Mobile Directory Number (MDN) associated with an individual subscriber, wherein the individual subscriber is further associated with one or more subscriber devices; receiving, at the network device, an additional MDN newly assigned to the individual subscriber; sending, from the network device to at least one of the one or more subscriber devices, a notification requesting the individual subscriber's acceptance of the additional MDN; receiving, at the network device from one of the one or more subscriber devices, an acceptance of the additional MDN by the individual subscriber; and linking, by the network device based on receiving the acceptance, the additional MDN, the first MDN, and the one or more subscriber devices within an Implicit Registration Set (IRS) at a Home Subscriber Server (HSS) in an Internet Protocol Multimedia Subsystem (IMS) for routing calls to the individual subscriber's first MDN or additional MDN at the one or more subscriber devices.