Patent ID: 9060366
Filing Date: 2015-06-16
Classification: H04L,H04W

Abstract:
1. A method comprising: receiving, by a server device, a call setup request from a first user device that is destined for a second user device; providing, by the server device, the call setup request towards the second user device; receiving, by the server device, a provisional response from the second user device destined for the first user device based on providing the call setup request towards the second user device, providing, by the server device, the provisional response towards the first user device, providing, by the server device and based on receiving the call setup request or based on receiving the provisional response, one or more messages towards the first user device or towards the second user device to prevent the first user device or the second user device from disconnecting from the base station to reduce a delay in receiving, by the first user device or the second user device, the provisional response, the response to the call setup request, or the acknowledgement.