Patent ID: 8194590
Filing Date: 2012-06-05
Classification: H04L,H04M,H04W,Y02D

Abstract:
1. A method of processing a call setup in a network system, comprising: receiving, by a femtocell system, a call origination from a user equipment performing a calling operation to a called telephone device, the user equipment located within a service area of the femtocell system; generating a configuration management service request message and transmitting the configuration management service request message to a session initiation protocol to Internet operating system adapter (SIA); responsive to receiving the configuration management service request message, generating a channel assignment request by the SIA and transmitting the channel assignment request to the femtocell system; allocating a channel for the user equipment and transmitting the allocated channel to the user equipment; receiving an acknowledgment from the user equipment in receipt of the transmitted channel assignment; performing, by the femtocell system, a service connection with the user equipment; creating, by the femtocell system, a connection for an Internet Protocol Multimedia Subsystem core network; transmitting an INVITE message to the called telephone device via the Internet Protocol Multimedia Subsystem; receiving a ringing indication at the femtocell system from the Internet Protocol Multimedia Subsystem core network; transmitting an alert to the user equipment from the femtocell system responsive to receiving the ringing indication from the Internet Protocol Multimedia Subsystem core network; and completing the call setup between the user equipment and the called telephone device via the allocated channel.