Patent ID: 6693874
Filing Date: 2004-02-17
Classification: H04L,H04M,H04Q

Abstract:
An H.323 client terminal, comprising:a first H.323 controller in said H.323 client terminal configured to handle call and control signaling during a media communication with another H.323 client terminal via a first gatekeeper; a second H.323 controller in said H.323 client terminal configured to handle call and control signaling via a second gatekeeper; wherein said second H.323 controller provides redundant H.323 call and control signaling for said media connection while said first H.323 controller provides call and control signaling for said media connection via said first gatekeeper, and said second H.323 controller provides H.323 call and control signaling for said media connection via said second gatekeeper if said first gatekeeper fails.