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 - IP Phones Training Video
05:51 · Published: 01/20/2011
Cisco 7940 Call Forwarding
01:39 · Published: 01/20/2011
Cisco 7940 Voicemail Retrieval
00:50 · Published: 01/20/2011
CISCO SPA 525G2 5-Line IP Phone
03:31 · Published: 01/07/2011
Cisco SPA 525G2 5-Line IP Phone with Color Display
02:37 · Published: 01/07/2011

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Cisco Systems videos

Cisco - IP Phones Training Video

Cisco 7940 Call Forwarding

Cisco 7940 Voicemail Retrieval

CISCO SPA 525G2 5-Line IP Phone

Cisco SPA 525G2 5-Line IP Phone with Color Display