Tandem Data provides business phone systems, voice & data cabling, and wireless network design & installation in Dallas/Fort Worth and throughout the Dallas/Fort Worth Metroplex — with the same national resources behind us for clients with locations beyond Texas.

On-Site Systems

Hosted VoIP Phone System

Grows as you do — add new users in minutes, at a budget-friendly monthly rate. All-inclusive phone system with voicemail to email, conference calling, and find-me/follow-me. Easy to use with quick support, and highly secure with a fully redundant network. Learn more about Hosted PBX.

Still Running an Older System?

We still service and support Avaya Partner, Merlin Legend, Merlin Magix, Definity, and Nortel BCM/Norstar systems. See Legacy & Discontinued System Support.

Voice & Data Cabling

Structured cabling installation and maintenance — see our cabling services.

Wireless Networking

Indoor and outdoor Wi-Fi, wireless bridges, and wireless VoIP — see our wireless networking services.

Ready to talk about Dallas/Fort Worth? Call 972-820-8600 or request a quote.