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Cisco Unified Communications

The Basics

To understand unified communications, you need to understand Voice over IP (VoIP), which is technology that digitizes sound, divides that sound into packets of information, and transmits those packets over an IP network. VoIP evolved into IP telephony, essentially delivering sound to the desktop through IP phones.

Cisco's unified communications for small to large businesses takes IP telephony further:

Ties together: telephone, voice mail, e-mail and information services
All the features commonly associated with PBX and Centrex systems: voice mail, presence management, find-me/follow-me functions, telephone directories and least-cost routing
Utilizes network routers, switches, software and other standards-based networking gear
Services traditionally associated with the data network available via the phone system, and vice versa

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