VIRGIN MOBILE USA, L.P.
VIRGIN MOBILE USA, L.P. Patent applications | ||
Patent application number | Title | Published |
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20120170729 | Unrestricted Calling Circle For Telephone Service - Subscribers of a telephone service can define a calling circle, which includes a group of other telephone subscribers with whom the subscriber receives preferential billing rates. The members of the calling circle may include customers of a telephone service provider other than the subscriber's telephone service provider. | 07-05-2012 |