Mapping between TDM channels and packets
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United States of America Patent
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-
Aug 1, 2006
Grant Date -
Feb 13, 2003
app pub date -
May 21, 2002
filing date -
Aug 11, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method of mapping between contexts of a packet network and TDM channels and streams. The method comprises constructing a lookup table defining the sequence in which data is to be mapped between contexts and TDM channels and streams, and including for each row of the table a flag which indicates whether or not that entry is the first entry in the table for the corresponding context. As the TDM receive or transmit entity cycles through the lookup table, use is made of the flags to synchronize the start of each packet with the first entry of a TDM frame for each context.
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