US Patent 10057429 Pre-paid voice calling using sponsored data roaming
Patent 10057429 was granted and assigned to IBasis on August, 2018 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
November 2, 2016
Date of Patent
August 21, 2018
Patent Applicant
Patent Application Number
15341200
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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