Solution to enhanced emergency services (e.g. 911) for ip...

Details Solution to enhanced emergency services (e.g. 911) for ip... Solution to enhanced emergency services (e.g. 911) for ip...

H - Electricity

04

L

H04L 12/66 (2006.01) H04L 12/24 (2006.01) H04L 29/06 (2006.01) H04M 7/00 (2006.01) H04M 11/06 (2006.01) H04L 29/08 (2006.01) H04L 29/12 (2006.01)

Patent

CA 2419167

There is provided a method of maintaining physical location association with an IP telephony instrument. When a change of an Ethernet MAC address on a switch port is detected, an IP telephony call controller is notified of the change. At least one information prompt is sent from the IP telephony call controller to the IP telephony instrument. A response including a physical location of the IP telephony instrument is received and the physical location associated with the IP telephony instrument is maintained.

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