Using LANs and Packet-Switched Networks

As more and more communications began using LANs and packet-switched networks (the Internet is just a huge packet-switched network), the voice networks were forced to open up and connect to other networks. Unified messaging was probably the first mainstream attempt at UC. Accessing voicemail from your email client and unifying your inbox gave users the potential of true UC. In fact, some traditional phone vendors still consider unified voice messaging the equivalent to UC. Of course, anyone who has shared a desktop with a single click, made a call without dialing a phone number, or created a conference using only the mouse certainly knows that is not the case.

The capability to leverage a database of phone ...

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