Importance

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Abstract

A lossless call may be established over a wireless radio network by determining, at a target subscriber device during a received call, that one or more identified media items in a stream of media items of the call being received over a first radio channel was not successfully received, and responsively: continuing to receive first subsequent media items of the call and buffering, instead of rendering at the target subscriber device, the first subsequent media items, requesting the identified media items, receiving by the target subscriber device via an established second radio channel, different from the first radio channel, the identified media items, re-ordering the identified media items chronologically with respect to the buffered first subsequent media items to create the re-ordered subsequent media stream, and rendering, by the target subscriber device, the re-ordered subsequent media stream at a first increased relative rate.

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First Claim