Patent ID: 8488447
Filing Date: 2013-07-16
Classification: H04L

Abstract:
1. A method for establishing a telephone call over a packet network, said method comprising: receiving a call request to initiate the telephone call from an originating call device to a terminating call device at a call control manager located on the packet network, wherein the originating call device and the terminating call device are not in current communication; determining, by the call control manager, whether the originating call device is authorized to communicate with the terminating call device; responsive to a determination that the originating call device is not authorized to communicate with the terminating call device, transmitting a reject message to the originating call device indicating that the call request is rejected; responsive to a determination that the originating call device is authorized to communicate with the terminating call device, retrieving, by the call control manager, transmission path status information of a transmission path between the originating and terminating call devices;