Ip restrictions - PowerPoint PPT Presentation

Integrating SIP and Legacy PBXs

Integrating SIP and Legacy PBXs. Henning Schulzrinne Dept. of Computer Science Columbia University. Overview. Motivation Migration strategy Challenges Example: Columbia Dept. of CS Scaling Emergency calls. Motivation. Allow migration of enterprises to IP multimedia communication

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295 views • 20 slides

. ng cctld registry Technical overview

. ng cctld registry Technical overview. Muhammed Rudman m.rudman@ixp.net.ng www.nira.org.ng 14-09-2011. The .ng Registry Design. 3R Registry Model Public WHOIS server on port 43 Public WHOIS web interface EPP interface for the registrars Escrow backup with Cocca

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227 views • 8 slides

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