Rated DFW's #1 Telephone Systems Company

National Telesystems Phone System Services

Services Offered

We offer a host of telecommunications products, services and solutions including the following:

  • System Installations
  • System Programming
  • Operation & Administrative Training
  • Equipment Maintenance and Repair
  • Data and voice cabling
  • System Networking
  • System Design
  • Site Planning / Preparation
  • Voice-Mail & Auto-Attendant integration
  • Cordless telephone integration
  • Maintenance Agreements
  • Voice Mail Programming
  • Credit card terminal integration
  • Telephone system feature programming
  • Answering machine integration
  • Computer telephony integration
  • Message on hold systems
  • Loud paging systems
  • Call accounting systems
  • Door phones & Entry systems
  • T-1 service connections
  • System Upgrades (Hardware & Software)
  • Fax Detection Installation


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.

2008-2010 National Telesystems, Inc.   Privacy Policy
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