AVST CX-E Premise

Industry's most interoperable platform delivering resilient enterprise communications solutions.

CX-E Premise Overview

Unlock the Full Potential of Your Communications Infrastructure


Considering an upgrade to your IT infrastructure but worried that your mixed UC landscape won’t allow you to make it happen?

If you have multiple vendors – Avaya, Cisco, Microsoft – all playing an important role in your IT environment, why switch? You don’t need to. If you’d like it all to work together for a powerful Unified Communications (UC) solution, AVST can help.

CX-E is ideally suited to ease the transition to your digital future – no matter what your UC landscape is today, or how it will look in the future. Premise or cloud, it all starts with CX-E. Interoperability with all major call control, email, IM, calendar, enterprise data, and mobile devices is how CX-E makes it possible.

There is no other UC platform that offers this level of interoperability. Make the most of today and tomorrow’s UC investments and transition to the Cloud, IP and Skype for Business over time. CX-E will lead the way.


With over three decades of innovation, CX-E delivers enterprise-class UC applications including automated attendant, secure voice messaging, unified messaging, fax, mobile client, speech-enabled personal assistant, call center, IVR, and notification. Put it all together and you have mission-critical UC applications that enhance any telephony system.

With over 20 million users worldwide, AVST is a trusted developer of software-based UC solutions for 35 years.

CX-E Premise delivers productivity
in any multi-vendor environment

UC Applications

Voice Messaging

Secure voice messaging for regulated industries

Mobile Client

Advanced mobile client delivering secure voice messaging

Personal Assistant

Speech-enabled, context-aware, enhances first-time call completion

Automated Attendant

Speech-enabled, sophisticated call processing, directories


Accelerate information flow to your customers

Unified Messaging

Unified messaging – Microsoft, Google – premise, cloud, hybrid

Call Center

Cost-effective, informal call center for knowledge workers


Outbound call notification for business process automation


Secure Fax over IP, including Fax mobile client

CX-E Resources