Patent ID: 9185142
Filing Date: 2015-11-10
Classification: H04L,H04M,H04Q

Abstract:
1. A non-transitory computer-readable medium with computer-executable instructions stored thereon, the computer-executable instructions, when executed by a processing device in a network, enabling the processing device to establish a telephone call from an origination endpoint to a destination endpoint by performing the operations of: receiving a destination telephone number at a gatekeeper in a packet-switched network, the destination telephone number being in a private dialing plan (PDP) format associated with a site corresponding to the destination endpoint; determining whether to route the telephonic call using the packet-switched network or a circuit-switched network based on network selection criteria, wherein the selection criteria includes an available bandwidth measurement, and the available bandwidth measurement is based on a comparison of a number of call counts processed by an enterprise gatekeeper with a specified threshold; appending a site identifier to the PDP number that identifies the site of the destination telephone endpoint; and based on the site identifier, initiating a connection to the destination endpoint over the circuit-switched network using the destination telephone number, and initiating call setup procedures at an outbound gateway.