Signalling TDM channel changes
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United States of America Patent
Stats
-
Oct 2, 2007
Grant Date -
Feb 13, 2003
app pub date -
Aug 9, 2002
filing date -
Aug 11, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method of updating a lookup table associated with a TDM transmit unit which is coupled to a packet network to receive data therefrom, the lookup table mapping packet network contexts to TDM channels. The method includes priming a controller with data for updating the lookup table in advance of the receipt of packets containing data to which the update relates, incorporating a flag in each packet sent over the packet network to the TDM transmit unit, the flag being set to indicate whether or not a packet is the first packet to which the update relates, and detecting the setting of the flag in a first packet and in response updating the lookup table with the update data.
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