Patent ID: 7257205
Filing Date: 2007-08-14
Classification: H04M,H04Q,H04W

Abstract:
1. A method of operating a telecommunication system including first and second enterprise telecommunication networks respectively connected to first and second wireless connection units, said method comprising the steps of: replicating databases of the first and second wireless connection units, the databases comprising a plurality of telephone extensions each extension being associated with an enterprise telephone and a respective wireless device; detecting that one of the first and second enterprise telecommunication networks has become inoperable; routing a communication destined for an extension of the inoperable enterprise telecommunication network to the wireless connection unit associated with and connected to the operable other of the first and second enterprise telecommunication networks; identifying at the wireless connection unit associated with and connected to the operable enterprise telecommunication network a dialed telephone extension from the routed communication; using the identified dialed telephone extension to retrieve from the database of the wireless connection unit associated with the operable enterprise telecommunication network a first communication device number associated with the associated enterprise telephone associated with the inoperable enterprise telecommunication network and a second communication device number associated with the respective wireless device associated with the inoperable enterprise telecommunication network; and routing the communication to the associated enterprise telephone and the respective wireless device by: forming a first communication path between said wireless connection unit associated with and connected to the operable enterprise telecommunication network and said the associated enterprise telephone, and substantially simultaneously forming a second communication path between said wireless connection unit associated with and connected to the operable enterprise telecommunication network and said respective wireless device by causing said first and second communication device numbers to be dialed while the communication is held for a predetermined time until it is determined that a user has answered the associated enterprise telephone or the respective wireless device, is authenticated before forming a completed circuit connection between the wireless connection unit and the answered device, and the communication is routed to the answered device.