Over three decades of innovating the most powerful voice applications.

Voice Applications

AVST offers the most powerful enterprise-class voicemail, automated attendant and fax solutions on the market. With three decades of continuous development, AVST's solutions enable the migration of first-generation messaging systems to next-generation UC deployments. Discover how AVST is the bridge that connects your past to your future.

  Voice Messaging

AVST delivers secure voice messaging for highly regulated industries – from healthcare, education, and government to the largest global enterprises. With 35+ years of experience developing UC software applications, AVST enables the easy migration of traditional voicemail systems to secure voice messaging. AVST ensures secure messaging in the office or on the go with a secure mobile client.

  Automated Attendant

Are you looking to accelerate information flow to your business? Why not enable your digital workplace with a speech-enabled directory? AVST has developed the industry’s most sophisticated speech and DTMF automated attendants that allow outside callers to quickly and easily access information without human intervention. Discover how our 35+ years of experience developing mission critical voice applications sets us apart.


In spite of many changes in communication technologies since the first fax was sent in the mid 1800s, fax remains an important method for exchanging information. Why? Because faxing is simple, delivery is confirmed, and faxed documents are legally binding. Faxing remains a universal method of document delivery with billions of faxes sent every year. Deploy the latest in digital faxing, with XMediusFAX® .

Voice Resources