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VoIP and Number Portability: Perceived v. Real Problems

VoIP and Number Portability: Perceived v. Real Problems. Tom Kershaw Vice President, VoIP VeriSign. Agenda. Background Circuit Switched Number Portability Addressing and Portability on the Internet Addressing and Portability for Wireless Data A Parallel: H.323 and SIP

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Tgrep trip - PowerPoint PPT Presentation

VoIP and Number Portability: Perceived v. Real Problems