Patent ID: 7454211
Filing Date: 2008-11-18
Classification: H04W

Abstract:
1. A method for setting up a call between a calling mobile station and a called mobile station in a mobile communication system, the method comprising the steps of: receiving a service request message from a calling radio network controller (RNC), and transmitting an incoming call request message to a called radio network controller (RNC); transmitting a first service connection path setup request to the calling RNC prior to receiving a service acceptance message from the called RNC; transmitting a second service connection path setup request to the called RNC, after receiving both the service acceptance message corresponding to the incoming call request from the called RNC and a first service connection path setup response corresponding to the first service connection path setup request from the calling RNC; and receiving, from the called RNC, a second connection path setup response corresponding to the second connection path setup request.