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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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461 views • 24 slides

2009 CCOT

2009 CCOT. Analyze the continuities and changes in patterns of interactions along the Silk Roads from 200 BCE to 1450 . Analyze the continuities and changes in patterns of interactions along the Silk Roads from 200 BCE to 1450. Analyze.

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275 views • 15 slides

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VoIP and Number Portability: Perceived v. Real Problems

2009 CCOT