Sal was quick to respond and easy to communicate with. He spent quality time getting everything…read moredone. I'm happy with the quality and price.

Had a cabling job that no one else would touch, Sal and his team were on-site and finished the job…read morequicker than I could have ever hoped for. Highly recommended and great work.

When our agency moved, we used Dave and Rob to install our phone system. They are the best!…read moreWhenever we have a question or a problem, they always respond very fast and come by to diagnose the problem. We are very happy with their service! Go with them, you won't regret it!

From the owner: Sales, Installation, Service of NEC DSX, SL1100 and SV9100 Systems…read moreSurveillance Systems Access Control Systems Avaya Partner Systems Hosted systems VoIP services SIP service COMDIAL / Vertical systems

I live in New Jersey, this company keeps changing rates with "fake promotions to keep customers! my…read moremonthly bill went from 236.37 March of 2025 to 284.31 March of 2026. now i'm paying more for less taking away channels in my so called package like the MLB channel and not reducing my monthly charge, their excuse is you pay for the package not the channel! Which is paying more for less. talking to reps and supervisors about this I get nowhere. These companies are monopolies and don't care! offer no discounts for seniors at all ! thanks.........Ralph F............Elmwood park Nj.......... they are the worst period!!

After being promised the same rate for 3 years, they broke the deal and raised my monthly!! Spent 4…read morehours on the phone and in person without fixing the issue!!!! And after being a customer for 40 years! Outrageous!!

These guys are crooks! Do not use them. A year ago my father's company got a call from a sales…read moreperson. They are scam artists that conned my fathers business into over priced phones and then the installation was atrocious. Took three days for them to resolve the issues their tech created. If your looking for a phone system DO YOUR RESEARCH! If you contact ip telecom companies they have much better deals and prices of phones are FREE. With some of them. Others may be able to even use your current phones. Don't waste your time or money. Do your research.

We just updated our phone systems with Global Telecom Supply. We were blown away at how the man who…read morecame in, Eric, was able to answer all of our questions, show us how our phones work, and give us demonstrations on all the features our phones have. We would definitely recommend using this company.

We are a small company of about 10 ppl and we moved and had Master Telecommunications set-up our…read morephone systems and paging system for 2 of our warehouses. Mr. Vadim was very pleasant to work with. His customer service is amazing. Even the after service. I definitely recommend Master Telecommunications.

From the owner: Telephone systems installation. Telephone system repairs…read more Phone system service. Office telephone systems. Business phone system. AVAYA telephone systems repairs. NEC telephone systems repair. Panasonic telephone system repairs. Samsung telephone systems repairs. Telephone systems sales. Best telephone systems. Phone system for small office.