Call us at214-352-5000
  • About Us
    • Projects
    • Our White-Glove Service
  • Our Services
    • Audio / Visual Conferencing
    • Business Phone Systems
      • Cloud Hosted Phone Systems
      • Premise Phone Systems
    • Security / Access Control
    • Structured Cabling
  • Blog
    • Access Control
    • Hybrid Work
    • Phone Systems
    • Structured Cabling
  • Contact Us
  • Industries
    • Dental
    • Education
    • Government
    • Hospitality
    • Legal Services
    • Other

Service

HomeService
  • About Us
    • Projects
    • Our White-Glove Service
  • Our Services
    • Audio / Visual Conferencing
    • Business Phone Systems
      • Cloud Hosted Phone Systems
      • Premise Phone Systems
    • Security / Access Control
    • Structured Cabling
  • Blog
    • Access Control
    • Hybrid Work
    • Phone Systems
    • Structured Cabling
  • Contact Us
  • Industries
    • Dental
    • Education
    • Government
    • Hospitality
    • Legal Services
    • Other
Our Customers
NTi Technologies place picture
NTi Technologies
5.0
Based on 168 reviews
powered by Google
review us on
Meredith Kendall profile picture
Meredith Kendall
4 years ago
If you're looking for a seamless phone upgrade for your business, look no further. We have worked with National Telesystems for years simply because their knowledge and customer service is unmatched. They installed a new system for us yesterday in the middle of business hours and our down time was maybe 5 minutes. With changes to our business due to COVID, they easily accommodated the need for a work-from-home phone that can transfer to in-office phones, an app that can be used from your cell and easily changeable settings for the ever-changing office set up. They're the best!
Meredith Kendall profile picture
Meredith Kendall
4 years ago
If you're looking for a seamless phone upgrade for your business, look no further. We have worked with National Telesystems for years simply because their knowledge and customer service is unmatched. They installed a new system for us yesterday in the middle of business hours and our down time was maybe 5 minutes. With changes to our business due to COVID, they easily accommodated the need for a work-from-home phone that can transfer to in-office phones, an app that can be used from your cell and easily changeable settings for the ever-changing office set up. They're the best!
Nancy Campbell profile picture
Nancy Campbell
4 years ago
If you're looking for a seamless phone upgrade for your business, look no further. We have worked with National Telesystems for years simply because their knowledge and customer service is unmatched. They installed a new system for us yesterday in the middle of business hours and our down time was maybe 5 minutes. With changes to our business due to COVID, they easily accommodated the need for a work-from-home phone that can transfer to in-office phones, an app that can be used from your cell and easily changeable settings for the ever-changing office set up. They're the best!
Nancy Campbell profile picture
Nancy Campbell
4 years ago
If you're looking for a seamless phone upgrade for your business, look no further. We have worked with National Telesystems for years simply because their knowledge and customer service is unmatched. They installed a new system for us yesterday in the middle of business hours and our down time was maybe 5 minutes. With changes to our business due to COVID, they easily accommodated the need for a work-from-home phone that can transfer to in-office phones, an app that can be used from your cell and easily changeable settings for the ever-changing office set up. They're the best!
Laurie Kinser profile picture
Laurie Kinser
4 years ago
If you're looking for a seamless phone upgrade for your business, look no further. We have worked with National Telesystems for years simply because their knowledge and customer service is unmatched. They installed a new system for us yesterday in the middle of business hours and our down time was maybe 5 minutes. With changes to our business due to COVID, they easily accommodated the need for a work-from-home phone that can transfer to in-office phones, an app that can be used from your cell and easily changeable settings for the ever-changing office set up. They're the best!
Laurie Kinser profile picture
Laurie Kinser
4 years ago
If you're looking for a seamless phone upgrade for your business, look no further. We have worked with National Telesystems for years simply because their knowledge and customer service is unmatched. They installed a new system for us yesterday in the middle of business hours and our down time was maybe 5 minutes. With changes to our business due to COVID, they easily accommodated the need for a work-from-home phone that can transfer to in-office phones, an app that can be used from your cell and easily changeable settings for the ever-changing office set up. They're the best!
Kim Fleming profile picture
Kim Fleming
4 years ago
We have worked with National Telesystems for several years. During our recent move, they provided us with great service, recognized and accommodated us when work became urgent and met our needs all the through the process. Working with this team was a pleasure and I would highly recommend National Telesystems for your telephone and cabling needs.
Kim Fleming profile picture
Kim Fleming
4 years ago
We have worked with National Telesystems for several years. During our recent move, they provided us with great service, recognized and accommodated us when work became urgent and met our needs all the through the process. Working with this team was a pleasure and I would highly recommend National Telesystems for your telephone and cabling needs.
Justin Bauer profile picture
Justin Bauer
5 years ago
Enjoy working with both the project and support teams for our numerous systems.
Justin Bauer profile picture
Justin Bauer
5 years ago
Enjoy working with both the project and support teams for our numerous systems.
Michael Topa profile picture
Michael Topa
5 years ago
Excellent partnership where the COO walked the project in advance to assure they would meet our schedule. Great planning and execution by the onsite team. Flexible, customer centric and responsive to identified problems. I highly recommend them.
Michael Topa profile picture
Michael Topa
5 years ago
Excellent partnership where the COO walked the project in advance to assure they would meet our schedule. Great planning and execution by the onsite team. Flexible, customer centric and responsive to identified problems. I highly recommend them.
Max Steadham profile picture
Max Steadham
5 years ago
Expert staff and very capable of taking care of any telephone need
Max Steadham profile picture
Max Steadham
5 years ago
Expert staff and very capable of taking care of any telephone need
Glen Hyden profile picture
Glen Hyden
6 years ago
My Company replaced a 10+ year-old phone system with a new one through National Telesystems Inc and the whole process was awesome from the point-of-sale, project management, installation and add-on services. The actual switchover was seamless from the old to the new systems with absolutely no interruption to our workflow and it was a hassle-free process that made me breathe easier as the accountable manager of the project and for the entire Company. I enthusiatically recommend National Telesystems Inc.
Glen Hyden profile picture
Glen Hyden
6 years ago
My Company replaced a 10+ year-old phone system with a new one through National Telesystems Inc and the whole process was awesome from the point-of-sale, project management, installation and add-on services. The actual switchover was seamless from the old to the new systems with absolutely no interruption to our workflow and it was a hassle-free process that made me breathe easier as the accountable manager of the project and for the entire Company. I enthusiatically recommend National Telesystems Inc.
Lauren Sauri Bruns profile picture
Lauren Sauri Bruns
6 years ago
If you're looking for a seamless phone upgrade for your business, look no further. We have worked with National Telesystems for years simply because their knowledge and customer service is unmatched. They installed a new system for us yesterday in the middle of business hours and our down time was maybe 5 minutes. With changes to our business due to COVID, they easily accommodated the need for a work-from-home phone that can transfer to in-office phones, an app that can be used from your cell and easily changeable settings for the ever-changing office set up. They're the best!
Lauren Sauri Bruns profile picture
Lauren Sauri Bruns
6 years ago
If you're looking for a seamless phone upgrade for your business, look no further. We have worked with National Telesystems for years simply because their knowledge and customer service is unmatched. They installed a new system for us yesterday in the middle of business hours and our down time was maybe 5 minutes. With changes to our business due to COVID, they easily accommodated the need for a work-from-home phone that can transfer to in-office phones, an app that can be used from your cell and easily changeable settings for the ever-changing office set up. They're the best!
Recent Blog Articles
Access Control and Security Camera Integration Dallas: What DFW Businesses Get When They Run Both Together
Access Control 3Views
Access Control and Security Camera Integration Dallas: What DFW Businesses Get When They Run Both Together
July 7, 2026by Ben Adams
Multi-Tenant Access Control Dallas: How Property Managers Stay in Control of Building Security
Access Control 21Views
Multi-Tenant Access Control Dallas: How Property Managers Stay in Control of Building Security
July 1, 2026by Ben Adams
Blog Categories
  • Access Control
  • Audio / Visual & Conference Room Technology
  • Cyber Security
  • Hosted
  • Hybrid Work
  • Microsoft Teams
  • On-Premise
  • Phone Systems
  • Security Cameras
  • Security Solutions
  • Structured Cabling
  • Technical Issues
  • Univerge Blue
 

Dallas / Fort Worth Texas' leading Business Communication and Technology Partner since 1987.

Quick links

  • About
  • Our Services
  • Blog
  • Contact Us
  • Industries
Sales
972-402-0459

 sales@ntitechnologies.com

Service
214-352-5000

 service@ntitechnologies.com

Copyright 2026, NTi | Privacy Policy | Private Security Company License Number: B12749201.