Customer Service

At Definitive Services Inc we specialize in helping your business run efficiently, contact us to provide your business with a broad spectrum of support solutions. As certified AVAYA technicians, we perform implementation of Applications such as Modular Messaging, UCC, IP Telephony, ONEX, and Call Center.

Feel free to contact our support staff directly at:

Phone: 954-905-3380.
Fax: 866-381-8957.
Email Services@definitiveusa.com

We service the complete AVAYA product family.

• Communication Manager and Gateways
• IP Office
• Partner
• Definity
• Call Centers
• Messaging
• Unified Communications