Need emergency telephone service?
New York, NY: (212) 290-2736
New Jersey:  (201) 518-1111
Connecticut: (203) 633-4363
Hudson Valley: (845) 877-5100
Westchester: (914) 417-6111

Your business' telephone system should just work --so that you can, too.

Steadfast does more than just provide you with a reliable system that facilitates your business. We also service and maintain your system with the latest updates and real-time monitoring. Since Steadfast was established in 1976, we have learned that the best way to keep your system running is to actively engage in preventative maintenance practices.

It’s a good feeling to know that your phone system is taken care of for you. You can rest assured that if you have a telephone system emergency, day or night, one of our skilled technicians will be available help you.



VoIP System: Service and Maintenance Contract

  • All inclusive and on-going
  • All parts and labor are included for covered repairs
  • Free remote system programming changes
  • Preventative Maintenance
  • Unlimited technical support
  • Unlimited on-site repair
  • Defective hardware replacement
  • Automatic system backups – local and off-site

Legacy (Digital and Analog) System Service Contract

  • Unlimited on-site repairs
  • All parts and labor included for covered repairs
  • Unlimited on-phone support
  • Unlimited remote programming (depending on whether system supports this)
  • Unlimited technical support
  • Defective hardware replacement

Pay as you go Options

  • Hourly charge for labor (and any required parts)
  • Hourly charge for technical support

Keep your phone system running well. Call us today!


Business Telephone System Services and Repair

Brands We Service




Snom the SIP Experts

Yealink Easy VoIP

Tadiran Telecom


Multitech Systems


Plantronics Simply Smarter Communications


Grandstream Innovative IP Voice & Video

VoIP System: Service and Maintenance Contract

Legacy (Digital and Analog) System Service Contract

Pay as you go Options