AVAYA, Inc.

Avaya is a global leader in communication systems, applications and services. We design, build, deploy and manage networks for enterprises. Customers range from small businesses and nonprofit agencies up to more than 90% of the companies in the FORTUNE 500, and the U.S. government. They all rely on Avaya for reliable, secure networks that facilitate customer relationships, enhance productivity and maximize profitability.

 

 


IP Office


Partner ACS Phone System

 

 




Estech Systems, Inc.

ESI designs and manufactures telephone systems and applications for businesses. ESI’s systems offer advanced technological design and extreme ease of use, yet are very cost-competitive.  The product line includes ESI’s family of Communications Servers, which support both digital and IP technologies in any desired combination.  ESI’s markets phone systems through a nation-wide network of hundreds of factory-trained Certified Resellers.  Founded in 1987, ESI is a rapidly growing, privately held corporation with headquarters in Plano, Texas.


Communications Server Line


VIP & VIP Professional


Presence Management

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