Patent ID: 9596713
Date: 2017-03-14
CPC Classifications: H04M,H04W

Claim:
1. A method of providing a circuit-switched (CS) voice call to a mobile terminal operating in a packet-switched-only wireless telecommunication network, said method comprising: in a control node in the packet-switched-only network, emulating the messaging functionality of a Serving GPRS Service Node (SGSN); connecting the control node in the packet-switched-only network to a mobile switching center/visitor location register (MSC/VLR) in a CS network through an interface; receiving by the control node, a Paging Request from the MSC/VLR utilizing the interface; and sending an equivalent of a CS paging request message from the control node to the mobile terminal in the packet-switched-only network, the equivalent of the CS paging request message indicating the MSC/VLR has received an incoming CS voice call for the mobile terminal, wherein the equivalent of the CS paging request message causes the mobile terminal to send a CS paging response directly to the MSC/VLR.