​HP -- architecture brings consistent and open standards–based networking to enterprise networks in the data center, campus and branches. HP networking switches offer high performance, scalability, and a wide range of features for core to edge connectivity that dramatically reduces network complexity and lowers cost of ownership.

​ADTRAN -- is best known for their range of multi-service access platforms and integrated Access Devices for converged voice and data networks. The Adtran NetVanta series offers outstanding business value as well as simplifying VoIP communications for small to medium businesses. ADTRAN delivers industry leading technical innovation with the NetVanta series of Power over Ethernet (PoE) switches.   

MITEL -- a high-tech company providing unified communications solutions for business. Founded in 1972 Mitel previously produced Telephone PBX systems and applications but now focuses almost entirely on Voice-over-IP (VoIP) products:

  • VoIP systems and software
  • Mobility and wireless solutions
  • Conferencing and collaboration (voice/video/data) applications
  • IP business telephones
  • Contact center/call center applications
  • Messaging and voicemail applications
  • Enterprise management applications
  • Mitel UC360 Collaboration Point
  • Virtual solutions/Virtualized voice applications


CISCO​ -- is best known for their range of routers, switches, wireless systems, security systems, WAN acceleration, energy and building management systems and media aware networks. Cisco, founded in 1984 and was one of the first to sell commercially successful routers supporting multiple network protocols. Cisco’s products and services focus upon three market segments – Service Provider, Enterprise and Small Business.       


Proving longevity in the telecom equipment business, Mackay Systems has been serving the business community since 1981.
Mackay Systems designs, implements and maintains communication solutions for businesses like you! 

MiVoice Office 250

A complete replacement communication system that is affordable and reliable for small businesses; has all of today’s features and is even VoIP! -- All for one low monthly payment.

Enterprise Products and Services

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1219 E. Center St. Marion, Ohio 43302   |   (740) 387-4403   |   service@mackaysystems.com

Providing Unified Communications Systems on converged Data and Voice Networks