Patent ID: 7076684

Claim:
A system for re-routing failed video calls through a video network having plural video devices, the system comprising: a schedule configuration engine operable to schedule video devices as primary video devices that support a video call and reserve video devices that replace failed primary devices; and a video device controller interfaced with the schedule configuration engine and the video devices, the video device controller operable to detect a primary video device failure and to activate a reserve video device scheduled in advance to replace the failed primary video device; a reserve video network interfaced with the plural video devices, the reserve video network having plural video devices available for scheduling for use by the video device controller; a reserve video device controller interfaced with the reserve video network and communicating with the video device controller to negotiate control of reserve video network devices by the video device controller, wherein the schedule configuration engine is further operable to determine a quantity of reserve video devices that provide a predetermined reliability level for the scheduled video calls based in part on a probability of failure of the primary video devices.