Voice over internet protocol call continuity

Details Voice over internet protocol call continuity Voice over internet protocol call continuity

H - Electricity

04

L

H04L 12/66 (2006.01) H04M 3/22 (2006.01) H04M 11/06 (2006.01) H04Q 3/64 (2006.01)

Patent

CA 2538582

An apparatus and a method for providing call continuity to a VoIP terminal user responsive to degrading call quality. The quality of a VoIP call is assesses by monitoring the quality of the corresponding IP packet traffic using conventional IP packet quality measures such as, for example, fitter, packet loss and packet delay. When a quality trend indicator crosses a predetermined threshold, a continuity call is originated to the user from a mechanism connected to the IP network. The continuity call uses a connection infrastructure different from the one used by the VoIP terminal such as, for example, a mobility infrastructure (cellular), a wireline infrastructure, a wireless data protocol infrastructure or other similar infrastructure. The continuity call is connected to the user, the original call is bridged with the continuity call and the leg of the original call to the user is dropped.

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