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AT&T
Avaya
Harris Lanier
Intertel
Lucent
NEC
Nitsuko
Nortel
Norstar
Prostar 
Panasonic
Samsung
Southwestern Bell 
Telekol 
TiE
Toshiba
Vodavi
WIN

 

 

National Telesystems provides service... and support for most leading brands including those listed below.

Our experienced, factory certified technicians... are available 24 hours a day and 7 days a week to provide on site service.  During regular business hours, a trained customer service representative will be there to coordinate your service order and schedule a technician to visit you.  After regular business hours you can receive emergency service by dialing the same number and requesting emergency response.  A certified technician is immediately notified and will respond promptly.

Parts & equipment... for repairs, moves or changes to your telephone equipment are conveniently located in both Dallas and Fort Worth warehouses.

AT&T, Lucent, and Avaya systems including:

  • Avaya ACS Advanced Communications System
  • AT&T Merlin
  • AT&T Merlin 206
  • AT&T Merlin 410
  • AT&T Merlin 820
  • AT&T Merlin Plus
  • AT&T Partner
  • Lucent Partner
  • AT&T Partner Plus (Partner+)
  • AT&T Partner+
  • AT&T Partner II or Partner 2
  • AT&T Partner ACS
  • Partner Endeavor
  • Partnermail
  • VM Card

 

Vodavi Analog and Digital systems including:

Southwestern Bell

  • Landmark
  • SWB FS246
  • SWB FS900
  • SWB FS800

Panasonic USAPanasonic

  • Panasonic KXT 308
  • Panasonic KXT 616
  • Panasonic KXT 1232

Telekol Voicemail

  • TMP 400
  • Minitel

 

Samsung Telecommunications Systems including:

Nortel & Norstar Systems

  • Meridian
  • Norstar 308
  • Norstar 824
  • Norstar Compact ICS

Harris Lanier models

  • Strata Series

NEC Models

  • NEC Electra
  • NEC 616
  • NEC 1648

Toshiba Models

  • Toshiba Strata

Intertel Systems

  • Intertel GLX
  • Intertel GLX Plus (GLX+)

WIN

Nitsuko

  • DM 16 Modkey

TiE

The brand names and logos in this web site are trademarks of their respective companies.  National Telesystems, Inc. is not affiliated with these companies except as an authorized dealer where stated as such.