Using signaling to provide interoperability of ADPCM encoded voice communications
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United States of America Patent
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N/A
Issued Date -
Aug 3, 2006
app pub date -
Feb 3, 2005
filing date -
Feb 3, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Providing interoperability on a voice communication network by detecting incompatible bit packing payload formats of ADPCM encoded voice data signals in an encoder/decoder. A mismatch of bit packing formats between little endian format and big endian format is determined through the use of a media gateway control protocol package called Real Time Protocol that allows a Call Agent to detect the presence of garbled audio and allows an intelligent gateway to detect the payload format being used by remote endpoints during call setup procedures and then switch the gateway's encoding for the payload to the payload format being used by the remote endpoint. The invention may be applied to an ITU G.726 encoder/decoder.
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