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What is Voice over Internet Protocol (VoIP)? Is a family of transmission technologies for delivery of voice communications over IP networks such as the Internet or other packet-switched networks.

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Cisco Systems videos

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Small Office Phone System From Cisco Improves Service
03:16 · Published: 04/22/2009
Asterisk 1.4 and Cisco 7960 phones
01:43 · Published: 04/27/2009
Cisco SPA525G IP phone overview
02:56 · Published: 09/26/2010
Avaya IP Office, Cisco, Nortel Business Phone Systems. digitcom.ca, Toronto Canada
03:37 · Published: 05/06/2009
Cisco SIP IP Phone Software Video Data Sheet
04:06 · Published: 05/20/2009

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