Methode and apparatus for communicating with one of plural devices associated with a single telephone number during a disaster and disaster recovery

摘要

A method of seamlessly switching a telephone call from a circuit communication network to a data packet communication network, the call being associated with a telephone extension of an enterprise communication network, said method comprising the steps of: detecting that a wireless device associated with the extension can handle the call on the packet communication network in response to the wireless device coming into proximity with the data packet communication network; determining whether the call should be switched to the packet communication network based on user preferences associated with the extension; and if it is determined that the call should be switched to the packet communication network, bridging the call to the packet communication network.