About Us


Serving the Dallas / Fort Worth area’s telecom needs for over a quarter century, National Telesystems has serviced and installed telephone systems for over 10,000 Dallas/Fort Worth area businesses. Our experience, reputation, and stability have empowered us to offer more choices and better solutions to our customers. As a total-solution vendor, National Telesystems offers a host of products and services that improve your communications, increase your productivity, and enhance your organization’s image.

NTI prides itself on a carefully selected product line of the highest quality systems that are specifically designed for small to medium sized businesses. Among the business phone systems National Telesystems supports are NEC, Samsung, Prostar, Vodavi, Infinite, Starplus, Avaya, AT&T, Lucent, Merlin, Partner, Spirit, Nortel, Norstar, Meridian, WIN, TIE, Southwestern Bell, Landmark, and Toshiba. Voice Mail and Voice Processing systems include NEC AspireMail, NEC IntraMail, NEC DFX, Telekol, and the various Samsung (Starmail, Cadence, SVMi-4, SVMi-8) and Vodavi (Pathfinder, Talkpath, MiniVoice) product lines.

Peripherals installed, supported, and serviced by National Telesystems, Inc. include Paging Systems (i.e., Valcom Paging Speakers, Bogen horns, J.W. Davis amplifiers, and other major brands), Call Accounting Packages, Automated Attendant Systems, Message On Hold Units, Music On Hold Systems, Call Center Management, ACD, UCD, Caller ID, Door Phone assemblies, Headsets, and UPS / Battery Backup Units. Also, as a leading interconnect in Dallas and Fort Worth, NTI provides computer network cabling and wiring (data cabling), VOIP options, PRI, BRI and T1 capabilities, Remote Programming, and integration of the numerous advanced features offered by today’s key systems and PBX systems.

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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Dallas - HQ

National Telesystems, Inc.
10525 Newkirk, Suite 220
Dallas, TX 75220

Fort Worth

National Telesystems, Inc.
209 W 2nd St., Suite 315
Fort Worth, TX 76102

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