Importance

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Abstract

A softswitch at a network operations center (NOC) is in data communication with one or more enterprises. The softswitch performs call processing, mobility management, and media connection switching and signaling to provide communications capabilities including basic and enhanced calling features to mobile devices at the enterprises. The softswitch routes control signals for calls between the enterprises and the NOC, but routes call media on the most efficient point-to-point paths between the devices on the calls. This routing reduces the amount of bandwidth required between the enterprises and the NOC and provides economies of scale, thereby allowing a centralized NOC to efficiently support multiple enterprises. Each enterprise has an internet protocol (IP)-based network coupling one or more base station transceivers for providing coverage to the mobile devices. Each enterprise optionally has a media gateway connected to the IP network and a private branch exchange and/or public telephone network.

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First Claim