Methods and apparatus for accomplishing call-state synchronization and event notification between multiple private branch exchanges involved in a multiparty call
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United States of America Patent
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Nov 7, 2006
Issued Date -
N/A
app pub date -
Jul 23, 2004
filing date -
Jul 23, 2004
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Abstract
A system for synchronizing party information and call-state information between two or more telephone switches involved in establishing a multiparty communication session has at least one server application for serving information and receiving information and a translation service for translating received information between formats of telephony and those of digital messaging. The system uses a digital network to propagate the information between switches in a dynamic message format.
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