Avaya Telephone Systems Dallas, TX

We KNOW Avaya Telephone Systems!




We'll guarantee the Best Prices on Avaya Telephone Systems and Parts including Avaya Partner Phones - and we provide Award Winning Avaya Service!
National Telesystems provides all the following on Avaya Telephone Systems and Avaya Partner phones:
  • Service on All Avaya Models
  • Professional Installation
  • Complete programming
  • Telephones
  • User Guides
  • Training
  • System Relocation
  • Voice Mail Systems
  • Circuit Boards
  • Custom Designation Strips
  • Call Reports / Accounting
DFW's Leading Supplier of Avaya Business Telephone System Sales and Service!
Let National Telesystems Help You Get The Most From Your Avaya Telephone System!
Didn't buy your Avaya Telephone System from us?
Your internet or local supplier won't provide service to make it work correctly?


No problem! Our Award Winning AvayaService technicians will turn your Avaya Phone System or Avaya Partner Phone into a high return investment.
Request a System Quote Request an On-Site Service Call
For assistance, please call one of our Live Operators between 8AM - 5PM CST, M-F.

Or if you prefer, use this EZ Contact Form below for Answers on Avaya Telephone Systems:


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about Avaya Phones below:

Contact By Phone:
(214) 352-5000 Dallas Area
(817) 222-2400 Fort Worth Area
(972) 402-9200 N. Dallas, Collin & Denton

National Telesystems Inc.
**************** Winner ****************
Consumer's Choice Award for DFW

YEAR after YEAR after YEAR!

Serving

Addison, Aledo, Allen, Alvarado, Argyle, Aubrey, Arlington, Azle, Balch Springs, Bedford Benbrook, Burleson, Carrollton, Cedar Hill Cleburne, Colleyville, Coppell, Corinth, Crowley, Dallas, Decatur, Denton, Desoto, Duncanville, Ennis, Euless, Farmers Branch, Flower Mound, Forest Hill, Forney, Fort Worth, Frisco, Granbury, Grand Prairie, Grapevine, Haltom City, Highland Village, Hurst, Irving, Joshua, Keller, Kennedale, Lake Worth, Lancaster, Las Colinas, Lewisville, Little Elm, Mansfield, McKinney, Mid-Cities, Midlothian, North Richland Hills, Plano, Prosper, Red Oak, Richardson, Richland Hills, Roanoke, Rockwall, Rowlett, Sachse, Saginaw, Seagoville, Southlake, The Colony, Trophy Club, University Park, Watauga, Waxahachie, Weatherford, Westlake, White Settlement, Willow Park, Wilmer, Wylie and surrounding areas.

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Serving the Dallas Fort Worth Metroplex with Superior Telecom Service and Product
Dallas: (214) 352.5000 | Fort Worth: (817) 222.2400
10525 Newkirk, Suite 220 Dallas, Texas 75220 | 209 W 2nd St., Suite 315 Fort Worth, Texas 76102