Enterprise mobile network for providing cellular wireless service using licensed radio frequency spectrum and the session initiation protocol
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United States of America Patent
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Sep 25, 2012
Grant Date -
Jan 21, 2010
app pub date -
Feb 6, 2009
filing date -
Feb 8, 2008
priority date (Note) -
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Abstract
Support for Session Initiation Protocol (SIP) devices is provided in an enterprise mobile network that provides wireless service within a coverage area associated with an enterprise using licensed radio frequency spectrum. In various embodiments, support SIP devices is provided by, for example, incorporating SIP user agent in a mobile switching subsystem or in a base station subsystem or by incorporating SIP server functionality into a mobile switching subsystem.
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