System and Method for Enhanced Public Address System
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United States of America Patent
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N/A
Issued Date -
May 8, 2008
app pub date -
Nov 8, 2007
filing date -
Nov 8, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A service that leverages established wireless messaging paradigms such as, possibly inter alia, Short Message Service, Multimedia Message Service, Wireless Application Protocol, and IP Multimedia Subsystem to yield an infrastructure that enhances aspects of a conventional Public Address System (as found at, for example, an airport, a train station, a conference or convention center, a sporting event, a concert, etc.) and allows a Mobile Subscriber to seamlessly employ their Wireless Device to interact with same. The service may optionally leverage the capabilities of a centrally-located Messaging Inter-Carrier Vendor.
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