Avaya

Avaya delivers Intelligent Communications solutions that help companies transform their businesses to achieve marketplace advantage. More than one million businesses worldwide, including more than 90 percent of the FORTUNE 500®, use Avaya solutions for IP Telephony, Unified Communications, Contact Centres and Communications-Enabled Business Processes.

Avaya is a global leader in converged voice and data technology.  Avaya provide all-in-one solutions specially designed to meet the communications needs of home offices, single or multi sited businesses.
We provide the following systems from Avaya :

Avaya Communications Manager - 100 – 36,000 users

Communication Manager effectively scales from 100 users to as many as 36,000 users on a single system and to more than one million users on a single network.

Avaya IP Office 500 - 2 to 250 users

This is the latest product from Avaya providing a powerful, market ready, IP or traditional telephony solution for small and mid sized businesses.