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Home › Method for providing local and toll services with LNP, and toll-free services to a calling party which originates the call from an IP location connected to a SIP-enabled IP network

Method for providing local and toll services with LNP, and toll-free services to a calling party which originates the call from an IP location connected to a SIP-enabled IP network

US Patent 8306019 · Granted Nov 6, 2012

Estimated economic value: $17,949,000 ⓘ

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