What is Unified Communications?

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IP Internet Protocol telephony & VoIP

An increasingly important part of UC (Unified Communications) is (IP) Internet Protocol telephony. This uses the networks and the internet to carry calls.

VoIP (Voice over Internet Protocol) is the transmission of voice over connected networks, either across the internet or on the LAN (Local Area Network).


UC includes email, chat, voicemail and even faxes. Unified messaging puts all these into a single mailbox for the user to access from a desktop or mobile device. Unified messaging has a number of features such as inbound call screening, live reply, call return, and cross media messaging.


UC has moved beyond the desktop computer and a desk phone to embrace mobile devices. Integrating mobile with an enterprises communications system enables users to carry out their duties regardless of their location.


Presence allows users to be notified other theirs and others availability to communicate. Presence information from various sources are combined by presence servers in order to present that information to applications and end users.

Conferencing and collaboration 

Conferencing can span from audio to video and the web. Collaboration can feature shared workspaces, file and document sharing as well as whiteboarding.

Participants of a web conference can view presentations while also taking part in the conference. Shared workspaces allow users to view, share, edit and save files and documents.

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