Avaya Communication Manager software is the open, highly-reliable and extensible IP Telephony foundation on which it delivers Intelligent Communications to enterprises large and small. Communication Manager effectively scales from less than 100 users to as many as 36,000 users on a single system and to more than one million users on a single network.. read more


Mitel ipbx

The Mitel® 3300 IP Communications Platform (ICP) provides enterprises with a highly scalable, feature-rich communications system designed to support businesses from 10-65,000 users. read more