Patent ID: 8351901
Filing Date: 2013-01-08
Classification: H04L,H04M,H04W,Y02D

Abstract:
1. A method of processing registration and authentication procedures in a network system comprising at least one femtocell, the at least one femtocell comprising a base transceiver station and a Session Initiation Protocol to Internet Operating System adapter, the method comprising: receiving, by the base transceiver station of the at least one femtocell from a user equipment, a registration message; issuing, by the base transceiver station of the at least one femtocell to the Session Initiation Protocol to Internet Operating System adapter of the at least one femtocell, a location update request on behalf of the user equipment; transmitting, by the femtocell, a SIP register message to a core network; conveying an authentication request by the Session Initiation Protocol to Internet Operating System adapter of the at least one femtocell to the base transceiver station; receiving the authentication request in the base transceiver station of the at least one femtocell; generating an authentication challenge from the authentication request in the base transceiver station of the at least one femtocell; and transmitting the authentication challenge from the base transceiver station of the at least one femtocell to the user equipment.