Patent ID: 9042265
Filing Date: 2015-05-26
Classification: H04L,H04M

Abstract:
1. A method comprising: configuring a plurality of components of a telephone communication system to render telephony services over a computer network, wherein the components include a plurality of telephone access servers (TASes) coupled to a proxy router via a plurality of proxy servers; in response to receiving a telephony request from a telephone network coupled to the communication system, transmitting a first capability message from the proxy router to the proxy servers; selecting a first proxy server to respond to the first capability message to receive a first invitation to service the telephony request; forwarding the telephony request to the selected proxy server upon receiving a first response to the first invitation; randomly selecting a subset comprising a plurality of the TASes to receive a second capability message transmitted by the selected proxy server; selecting a first TAS to respond to the second capability message to receive a second invitation to service the telephony request; and forwarding the telephony request to the selected TAS.