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Mobile Collaboration in the Cisco Public Sector: Work Your Way, on Any Device White Paper
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Randel Maestre - Integrating Voice and Video in UC Environment - Interop Mumbai 2009
Guide to VoIP Systems- Business.com
home.ubalt.edu/ntsbagga/web/300_Ch09.ppt
SIP Trunking Solutions for Small to Medium Businesses from BroadConnect Telecom USA
FANS 1/A Presentation Minnesota Business Aircraft Association
Telecommunications