Patent ID: 9083793
Filing Date: 2015-07-14
Classification: H04L,H04M

Abstract:
1. A method for providing services from a data network to a first endpoint connected to a private branch exchange, comprising: receiving a registration message identifying the first endpoint from the private branch exchange, the first endpoint previously registered with the private branch exchange; registering the first endpoint with the data network to enable the first endpoint to receive data network services from the data network; receiving, at the private branch exchange, a call and a called party number associated with the call from the first endpoint; determining whether a second endpoint associated with the called party number has an E.164 number; in response to determining that the second endpoint associated with the called party number has an E.164 number: determining whether the second endpoint associated with the called party number has one of an E.164 number and a network recognizable session initiation protocol uniform resource identifier; and if the first endpoint is connected to the private branch exchange and requires data network services and the second endpoint is connected to the private branch exchange, and if the second endpoint associated with the called party number does not have one of an E.164 number and a network recognizable session initiation protocol uniform resource identifier: