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US 2003/0195000 A1Published application
Method and system for providing a portable communication service
AssigneeEmerald Isle, LLC
InventorManuel Rodriguez
Life of this patent
Estimating the term…
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AssigneeEmerald Isle, LLC
InventorManuel Rodriguez
Estimating the term…
A portable communication unit that operates based upon predetermined discrete blocks of airtime. The unit may be operated as a conventional portable communication unit when airtime is available, and operation of the unit for conventional communication is disabled when all the airtime has been used. By entering a specific code, which may be supplied by a dealer, the user may activate an additional block of airtime. Two classes of airtime may be provided; home time airtime which is used when the unit is within the area of a local or primary communication service provider, and roam time airtime which is used when the unit is outside of the area of a local or primary communication service provider. The unit may be programmed, preferably only by the dealer, with toll restrictor codes that limit the available range of numbers with which the unit may initiate a communication session.
A portable communication unit capable of establishing a communication session according to a predetermined communication protocol, said unit comprising:
A portable communication unit capable of establishing a communication session according to a predetermined communication protocol, said unit comprising:
Dependencies are inferred from the claim text.