Method of implementing a line group function in a communications network based on ITU-T H.323
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United States of America Patent
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Aug 27, 2002
Grant Date -
N/A
app pub date -
Dec 21, 1999
filing date -
Dec 21, 1998
priority date (Note) -
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Abstract
A line group function in a communications network based on ITU-T H.323 is implemented via a proxy function. First, an alias address for the line group is converted into a group transport address for a proxy function, and a connection setup message is transmitted from the calling endpoint to the proxy function using the group transport address. A connection setup message is transmitted from the proxy function to group endpoints in the line group using transport addresses known to the proxy function. After a response message has been transmitted from one of the group endpoints to the proxy function, the address of this endpoint is transmitted to the calling endpoint, and the address of the calling endpoint is transmitted to the responding group endpoint by the proxy function. A connection is set up between the calling endpoint and the responding group endpoint using the addresses of these endpoints.
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