Business Communication Network Systems

Serving Raleigh, Cary, Charlotte, Greensboro, Winston-Salem
North Carolina and Multi-locations Nationwide


Products & Services

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Career Opportunities

Let our experienced staff provide you with the knowledge and customer service you and your business deserve!

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TSM South
  • Welcome
  • MobotixHemispherical 360° Camera
  • MobotixDay & Night Camera
  • Security SolutionsAlarms, Access Control, Surveillance Cameras
  • HoneywellAlarm Systems
  • HIDAccess Control
  • NECUniverge Telephone Systems
  • NECUniverge SV8100
  • NECUniverge SV9100
  • NECTelephones
  • AdtranNetVanta 7100 IP System
  • Audio / Video
  • NEC
  • VoIPTelecommunications
  • SIP Trunk Services & Cloud-based IP PBX
  • PolycomVoIP
  • NECWireless
  • AdtranAccess Points
  • NECCordless
  • PlantronicsCordless Headsets
  • Hands Free
  • Office Freedom
  • PolycomConference Telephones
  • Wilson ElectronicsCell Boosters
  • Rack & Data Cabinet
  • Data & NetworkingPatch Panels & Cords
  • AdtranData Switches
  • Fiber OpticsInstallation, Testing & Repairing
  • ValcomHigh-Fidelity Speakers
  • ValcomCeiling Speakers
  • Voice ArrestSpeech Privacy
  • ValcomPaging Horns
  • Always Available
  • Nationwide

TSM South Welcomes You!

Business Communications Specialists

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TSM South is focused on providing innovative communication and networking solutions for small to large enterprises nationwide.


Our consulting services include planning, engineering, programming and installation of systems and services to meet your business communication needs.

TSM South offers fully converged communication solutions, from IP telephone systems to professionally hosted and managed IP communication solutions.  

We believe in serving our customers with superior solutions and world-class support.  Our experience, knowledge, the quality of our services and our relationships with our business partners have been the ingredients of TSM South’s success.

Contact us and let us assist in the development of your business communications plan! 


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New Product 

 NEC Univerge SV9000

Communications Server

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 NEC Univerge U3C

Software-based IP Telephone System

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Mobotix M15D Thermal Security Camera

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Invoice Fraud Alert



TSM South installs and services a variety of office security, access control and video surveillance systems that will secure your business site, protect valuable assets, including equipment, inventory, proprietary technology and confidential data, ensure a safe workplace for your employees and may even reduce your insurance premiums.



If you're looking to speed up voice and data transmission with state of the art fiber optic cabling, TSM SOUTH can accomplish that for you.  Call or email our Sales Department to arrange for a site survey and get a free cost estimate. Then enjoy the benefits of having your voice and data communications moving at the speed of light!!! 


      Illustration of a stormy cloud with lightning resized 600      Illustration of a stormy cloud with lightning resized 600      Illustration of a stormy cloud with lightning resized 600      Illustration of a stormy cloud with lightning resized 600       

Storms Can Cause Costly System Outages.

Do You Have Surge Protectors and UPS Batteries In Place?

If Not, Give Us A Call.


No more worries - We are here for you!!!

Contact our Service department today for any assistance you may need. We will schedule one of our experienced technicians to come to your office and get you working again quickly!

System Time Change Support

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Contact Us

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431 Keisler Dr.
Cary, NC 27518

Toll Free: 1-800-319-9087

Fax Number:  919-854-0412

Business Hours:

Monday to Friday
8:30 a.m. to 5 p.m.

Local Offices

Raleigh/Durham/Chapel Hill:

Monroe, NC: 704-764-8934

Charlotte, NC: 704-535-6100

Winston-Salem, NC:


Online Payment Form

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TSM South, Inc. is a BBB Accredited Telephone System Equipment Dealer in Cary, NC