Patent ID: 9392518
Filing Date: 2016-07-12
CPC Classification: H04W

Claim Text:
1. A method comprising: a first wireless network receiving from an interworking server an indication of an incoming call that a wireless communication device (WCD) can receive via a second wireless network, wherein the WCD has a radio connection with a serving base station of the first wireless network, wherein the first wireless network provides service under a first air interface protocol and the second wireless network provides service under a second air interface protocol, and wherein the interworking server is configured to facilitate communications between the first wireless network and the second wireless network; the first wireless network sending to the interworking server an indication of a location related to the WCD; the interworking server determining a load level of the second wireless network in an area proximate the indicated location; the interworking server selecting a control message from among at least a first control message and a second control message based on the load level; the interworking server sending the selected control message to the first wireless network; and the first wireless network determining whether to transition the WCD to the second wireless network to receive the incoming call based on the selected control message.