Method and apparatus for providing network based services to private branch exchange endpoints

摘要

Many of the current IMS standards and enriched services were originally designed for the individual subscribers that are serviced by the wireless network. However, the IMS standards do not fully address the problem of providing the IMS enriched services and features to users connected to a PBX. The present invention discloses a method for providing IMS enriched services and features to users connected to a PBX or an IP-PBX. Access to network services can be secured through a web-friendly interface via the IMS, enabling third-party developers, service providers and even subscribers to self-manage their service experience while the network operator retains control over network resources.

主权项

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:
replacing, at the private branch exchange, a request-uniform resource identifier of the call with a session initiation protocol uniform resource identifier representation of the E.164 number; androuting the call to the data network; 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:
replacing the request-uniform resource identifier with a temporary routing number;storing a dialed number associated with the request-uniform resource identifier in cache memory; andreplacing the request-uniform resource identifier with the stored dialed number.