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Home › System and method for voice over internet protocol (VoIP) and facsimile over internet protocol (FoIP) calling over the internet

System and method for voice over internet protocol (VoIP) and facsimile over internet protocol (FoIP) calling over the internet

US Patent 7577131 · Granted Aug 18, 2009

Estimated economic value: $3,622,000 ⓘ

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