Signaling method for internet telephony
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United States of America Patent
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Apr 24, 2012
Grant Date -
Jul 28, 2005
app pub date -
Feb 17, 2005
filing date -
Feb 26, 1999
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method for creating, modifying, and terminating connections between Internet end systems, particularly, although not exclusively, for Internet telephony communication. The method relies on several request messages sent between a client and a server and the response messages sent back in response. Each request and response message may contain one or more header fields which modify or more uniquely link the messages with a given connection. On this basis, advanced telephony services, such as call forwarding, call transferring, and multiparty conferencing are provided.
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