About us

Phone Systems

Learn about Us at A.B.S professional skilled Telephone Technicians able to assist you with maintaining your Office Phone System.

Phone System Repair | Phone System Upgrades | Small Business Phone Systems

We understand how important your Office Phone System is to your organization. Since 1991, Atlantic Business Systems has been providing commercial telephone systems sales, service, and phone system repair in Charlotte. One call to our Charlotte dispatch center and our team will get you the help you need. We are a full-service business telephone company and that means we can provide you with any type of telecom product or service:

Phone System Support

  • Phone system relocation's
  • Business Phone System Repairs
  • Voice and data cabling
  • Telephone Wiring
  • Adds/moves and changes
  • cutovers
  • Phone System upgrades
  • Accessories
  • IP Cameras & Door Phones
  • Wireless capability
  • Cell phone integration – Have your Cell Phone be an Extension
  • Premise-based PBX & Line Telephone Systems
  • Phone System Troubleshooting
  • Traditional telephony
  • VoIP Phone Systems and Cloud Phone Systems
  • Digital Voice Lines – Business VOIP
  • Custom IVR messages & Custom on Hold Messages
  • telephone installation

We work with major business telephone manufacturers!

Telephone System Repair

Phone Troubleshooting

  3CX Partner   TelcomPBX Partner  Avaya Connect Partner

We are proud to be a 3CX Partner, We no longer are an Avaya Business Partner.  We are a provider of Avaya Cloud, RingCentral and other major Cloud products.  We maintain a highly skilled professional as well as certified in many telephone systems. We also provide on-site telephone installers as well as of offer support for legacy products such as the Avaya Partner ACS, AT&T, Merlin, and Magix systems. We are also certified on Nortel phone equipment including the CICS, MICS, and Nortel BCM phone equipment. We believe we are one of the best telephone repair companies in Charlotte. We have extensive experience with Vodavi telephone equipment such as the Vodavi STS, Vodavi DHS, Flex systems, and the Vertical SBX phone system. We have also supported Toshiba Phone Systems, NEC Phone Systems, and Comdial Phone Systems. We have offered Comdial Repair, Toshiba Phone Repair, Nortel Phone Repair, Toshiba Strata, Merdian, and many others.

We work with all the major carriers!

Every week we do cutovers for much of the East Coast.  We understand businesses changing carriers to Verizon, AT&T, Spectrum, Comcast, GTE, Paetec, Windstream, and others.  We are able to help you shop your phone bill with many major carriers as well.  Our technicians will make the physical connections to your PBX and make sure that the whole process is as seamless and trouble-free as possible.

We will respond quickly!

Our mission is to provide our customers with as prompt and efficient service as possible. Down system? Our warehouse in Baltimore and our trucks on the road stock the parts needed to get your system back up and running quickly in an emergency. Telephone Repairs

  • Avaya: Avaya Partner ACS, Avaya IP Office, Partner Mail VS, Partner Messaging, Partner Voice Messaging.
  • AT&T/Lucent: Spirit, Merlin, Partner, Partner II, Legend, Merlin Magix
  • Toshiba Strata – Toshiba CTX, Toshiba CIX,  Toshiba DK
  • Nortel: Norstar, Meridian, 616, CICS, MICS, BCM 1000, BCM 50, BCM 200, BCM 400, BCM 450, Call Pilot, Startalk Flash, NAMS.
  • Panasonic Phone Sytems – KX-TDA50G, KX-TDA50G, Panasonic KX-TD1232, Panasonic KX-TD816
  • Samsung ProStar Phone System 
  • Vodavi: 616Flex, DHS, Infinite, Triad, STS, STSe, XTSIP, XTcIP, Dispatch, Pathfinder.
  • Vertical: SBX IP320
  • Comdial: Executech, Impact, DXP, FX, DX 80, DX 120, Comdial Key Voice.
  • Executone: IDS
  • Custom IVR Messages – Provided by TriTella

Office & Cloud Phone Systems


  phone wiring contractors   This page is related to:

Avaya  Partner ACS

Office Phone Systems

Business Phone Repair

Avaya Partner Phones


Charlotte – Salisbury NC – Mooresville 

Gastonia – Concord – Statesville – Monroe


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