Tandem Data provides business phone systems, voice & data cabling, and wireless network design & installation in Addison 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 VoIP phone systems.
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.
Need phone, cabling or wireless service in Addison?
Talk to us about a system that fits your business.