Business Voice Systems & Unified Communications

It can be a challenge to manage a complex business phone system — but it’s what we thrive on. Green Line has experience planning and deploying unified communications and Voice over IP phone systems to businesses with dozens of locations and over 1000 extensions. We’ll help you to understand your business phone options, develop a system that will work for your growing business, and support you throughout the entire process while doing it at an extremely attractive price. We aim for a 24 month ROI minimum.

With undeniably better rates, reliability and all the modern features you’ve come to expect from a communications system – we’ll give you peace of mind that you are on the cutting edge of communications technology and that you will be staying there.

This makes the service a great option for all types of businesses, from small to large, and simple to complex. Along with our telecommunication partner Telnamix We proudly serve airports, schools, police and fire stations, municipalities, manufacturing facilities, restaurants and medical facilities and a wide variety of others with a highly reliable and feature rich phone system.

Some of what you can expect with a VoIP Communications system installed by Green Line:


  • Built for a contact center
  • Call Queues
  • Call Recording
  • Hot Desking
  • Robust Call Logging
  • Robust Reporting
  • Digital Receptionists
  • Ring Groups

Unified Communications

  • Web / Mobile / Desktop Apps
  • Built in Web Meetings
  • Microsoft Teams Integration
  • Social Media Integration
  • CRM Integrations
  • Live Web Chat
  • SMS / MMS Support
  • Microsoft 365 Integration


  • No Per Extension Costs
  • Eliminate Analog / POTS
  • Eliminate Fax Lines with Efax
  • Eliminate other Costly Subscriptions
  • Avoid Expensive Add-Ons
  • Efficiency Gains


  • Cloud, On-Premise, or Hybrid
  • Carrier Agnostic
  • Self or Co-Managed
  • Multiple Hardware Brands
  • Supports Most Business Types

Get In Touch

Whether you have a pressing technical problem or are at the early stage of an IT project, Green Line Solutions is here to help.

Avril Dalton
Avril Dalton
July 9, 2021.
Wonderful company to deal with. Always prompt in their replies and quick to get someone out if needed. Super friendly and professional over the phone and in person and always make you feel like you are valued even if your request/issue is something that turns out to be an easy fix. This company has been a pleasure to deal with and I cannot recommend them enough.
James Cundiff
James Cundiff
January 12, 2021.
Craig helped me troubleshoot some issues with a new computer I had purchased for my business. He was very professional, had great insight and solved my issues very quickly. It’s good to have such quality IT services that cater to smaller businesses available here in Cleveland.
Eric Eversole
Eric Eversole
January 8, 2021.
Carlos stepped in it today. He was responsible for getting my new laptop setup to begin my job with my new employer and there priced to be some difficulties on my end. He was an absolute professional. Carlos did whatever it took to make sure everything was in working order and was squared away before moving on. I would recommend Carlos to tackle your tech needs, and if the company has more like him then they're heads and shoulders above the rest. Phenomenal service and great technician. Thanks, Carlos!
ralph thompson
ralph thompson
September 18, 2020.
5 stars recommended
Anthony Wasman
Anthony Wasman
September 18, 2020.
Great service. Very pleased. Highly recommend.
Filip Cujba
Filip Cujba
September 17, 2020.
Greenline does the best job with our computers
Christine Russo
Christine Russo
August 21, 2020.
Great Friendly customer service. We had a nightmare of IT issues going on. Nate was able so solve most of them. Wish we found him sooner. Will definitely use Green Line in the future. He helped make our work environment less stressful.