Importance

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Abstract

An exemplary method includes receiving at a calling party network a notice of an intended communication between a calling endpoint and a plurality of called endpoints located in a plurality of called party networks, wherein the intended communication requires a resource in each of the calling party network and the called party networks for supporting a streaming data protocol. The notice is forwarded toward the plurality of called party networks and in parallel with said forwarding, a determination of resource availability for the calling party network is initiated for the intended communication. The method further includes determining for the intended communication the determination of resource availability for the calling party network, wherein the determination is for a first resource for the first network; and verifying resource availability for the intended communication based on the determination for the calling party network and a resource availability indicator for each called party network.

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First Claim