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50 Years
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Emergency
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Trusted VoIP Solutions in New York City
Founded in 1976, Steadfast Telecommunications has built a reputation as a trusted provider of business phone systems and VoIP solutions across New York, New Jersey, and Westchester. Our team specializes in designing and installing customized telecom systems that enhance workflow efficiency while reducing operational costs. With decades of experience serving diverse industries, we prioritize client collaboration to deliver feature-rich, scalable solutions. Our commitment to innovation includes offering cloud-based VoIP systems with advanced capabilities like localized number options, intelligent call scheduling, and unified messaging platforms. We emphasize reliability through redundancy options, 24/7 support, and hands-on project management.

Our expertise extends to data cabling, emergency phone line repairs, and HIPAA-compliant fax services tailored to law firms and medical offices. Backed by partnerships with leading technology providers like Cisco and Polycom, we ensure clients receive cutting-edge equipment and seamless integration. Customer testimonials highlight our prompt service, cost-saving results, and dedication to resolving issues swiftly, even during emergencies. As a family-operated business, we maintain a personalized approach while delivering enterprise-grade telecom infrastructure. Our mission remains to build lasting client relationships through systems that evolve with organizational needs.
Services
VoIP Phone Systems Business Phone Installation Data Cabling E-Fax Services Emergency Repairs Cloud-Based Solutions PBX Programming SIP Trunking Unified Communications Network Integration
Details
  • Year established: 1976
Highlights and features
  • 40+ years of telecom expertise serving NYC businesses
  • 24/7 emergency support with rapid on-site response
  • Custom VoIP systems with cost-saving unified messaging
  • HIPAA-compliant solutions for medical and legal offices
  • Hands-on project management from installation to maintenance
What people say
Prompt customer service Saved us money 24/7 emergency support Seamless system migration Family-oriented approach
Services
VoIP Phone Systems
Our hosted VoIP solutions deliver scalable, feature-rich communication systems with nationwide localized numbers and intelligent call routing. Businesses benefit from reduced hardware costs, remote worker integration, and automatic failover to mobile devices during outages. Unified messaging platforms convert voicemails and faxes to digital formats for streamlined inbox management.
Business Phone Installation
Full-service phone system deployment including premise-based and cloud PBX configurations. We handle cabling, SIP trunking, and integration with existing IT infrastructure while minimizing downtime. Custom programming ensures features align with organizational workflows and scalability requirements.
Data Cabling
Structured cabling solutions for voice and data networks using Cat6/Cat6a Ethernet standards. Services include fiber optic installation, network closet organization, and performance testing to support high-speed VoIP communications and enterprise connectivity needs.
E-Fax Services
Secure electronic fax solutions compliant with HIPAA regulations for medical offices and law firms. Features include virtual fax numbers, cloud storage integration, and automated spam filtering while eliminating paper-based workflows and associated supply costs.
Emergency Repairs
Urgent telecom system troubleshooting with guaranteed rapid response times. Our technicians provide after-hours service for critical outages, including snowstorm deployments and immediate hardware replacements to maintain business continuity.
Questions
What areas do you service?
We serve New York City, New Jersey, Westchester, Long Island, and Connecticut with local office locations and rapid response capabilities.
Do you support medical office fax compliance?
Yes, our HIPAA-compliant e-fax solutions meet healthcare industry requirements for secure patient record transmission and storage.
Can remote workers integrate with our system?
Our VoIP platforms allow remote employees to function as if they're in the office with full feature access from any internet connection.
What happens during power outages?
Redundancy options automatically forward calls to mobile devices, and our backup power solutions maintain system operation during grid failures.
How quickly do you respond to service calls?
Emergency repairs typically receive on-site technicians within 2-4 hours, with critical issues prioritized for immediate resolution.
Reviews (2)
Brennan Coakley
Feb 03, 2022 Report
Our company was looking for a phone system geared toward being mobile as we operate throughout the greater Northeast from several locations. The Steadfast team made our upgrade seamless and provides fantastic support and service. Highly recommended.
Plant-Automation-Group
Soup
Feb 05, 2021 Report
Five star experience for a very competitive price!
Initially, I was trying to figure out how to best set up my home office due to COVID. After shopping around a bit and doing some research to bring myself up to speed with respect to VOIP services, I decided to go with Steadfast. The company doesn't seem to be as large as some of their competitors and there were not a lot of online reviews for me to read. But my sales rep made me feel so comfortable throughout the entire process that I knew I was in the right place. My priorities were WIFI and Bluetooth. I will also add this information for those