GTI Communications
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GTI Communications
GTI has been serving the Carolinas for 25 years and is an authorized North Carolina (Charlotte based) and South Carolina Avaya business partner. GTI specializes in Avaya IP Office (IP500), Partner ACS, VoIP, and legacy. Category 6 (Cat 6) & 5e cabling systems have been a core business for GTI for 25 years.

We are an authorized CommScope partner for North & South Carolina, specializing in Data Room/MDF/CoLo Design &. GTI communications has onsite Hosted Voice and Co-Location services available for customers with offsite data center or VoIP applications in Charlotte. We provide Liebert power & air conditioned data cabinets backed up by onsite power.
Services
Based out of Charlotte, North Carolina, we've been providing advanced communication systems for Onsite Phone Systems, Hosted Voice, and Hybrid Applications for over 25 years. We are proud to serve the Greater Charlotte Metro region, North America (including Canada and Mexico), Central America, and South America.
GTI has been serving the Carolinas for 25 years and is an authorized North Carolina (Charlotte based) and South Carolina Avaya business partner. GTI specializes in Avaya IP Office (IP500), Partner ACS, VoIP, and legacy systems such as Merlin Magix/Merlin Legend. We have also been servicing Nortel phone systems such as MICS and CICS for 20 plus years.
Category 6 (Cat 6) & 5e cabling systems have been a core business for GTI for 25 years. We are an authorized CommScope partner for North & South Carolina, specializing in Data Room/MDF/CoLo Design & Installation, inside & outside office/plant cabling systems, feeder cabling, & fiber optics for any size office or manufacturing facility.
GTI communications has onsite Hosted Voice and Co-Location services available for customers with offsite data center or VoIP applications in Charlotte. We provide Liebert power & air conditioned data cabinets backed up by onsite power generation. We have partnered with fiber optic providers TWTC, AT&T, & Windstream for incoming services and redundancy.
Reviews (6)
Jennifer Sn
Jennifer Sn
Jan 09, 2021
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Fast, reliable service. We use them for all of our needs in the Charlotte area!
Britt Alion
Britt Alion
Oct 06, 2020
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I am an independent contractor in the corporate cabling field. I have relied on GTI for several years.
I have not only worked side by side with their team, but have also used their services while unavailable to my customers
I have recommended their services to many IT professionals. I know that the job will be managed and installed correctly.
Mark, the owner, knows the questions to ask to be able to tailor to your needs and also see that the project is delivered on time and within budget.
I look forward to continually working with GTI in the future.
Kristen Caffee
Kristen Caffee
Aug 16, 2020
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Positive: Professionalism, Quality, Responsiveness, Value
GTI hosts our phone and network system and has provided us with outstanding customer service and professionalism. Management and technicians are extremely knowledgeable and will go above and beyond to find the best and most affordable solution for your needs.
Sonny Souder
Sonny Souder
Jul 15, 2019
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Every time I call them for service they are quick to get on-site and get the job done. I can always count on them for professionalism and timely service.
Thanks to Molly and David.
Kelly Newman
Kelly Newman
Aug 13, 2018
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Great company to work with, they were really fast with everything involved. We lost our phone system due to a storm and with their help we were able to have a phone system in place in a matter of days of contacting them. I would highly recommend them to anyone, they sure do help make my job a whole lot easier.
Tara Gibbs
Tara Gibbs
Jul 17, 2018
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Our church worked with GTI to upgrade from old telephone landlines to IP voice. They were professional, knowledgeable, and worked quickly to get us transitioned. Mark even went above and beyond and helped us navigate switching from AT&T to Spectrum to save us hundreds on phone/internet bill. The IT expert Jon also went out of his way to help us get the phones installed quickly and offered troubleshooting when we had a separate fax line issue. We were leery about our phones being on the internet, but the call quality is excellent and phones are easy to operate. We are happy customers!