Our Values


We prize the trust our clients put in us when they rely on us to give them the best service, the best products and the best cost/value ratio.

We love what we do, and are passionate about building and maintaining the best possible systems for our clients.

We respond to our clients needs quickly and efficiently. We never leave you hanging. In emergencies, we’re there within hours.

We stay current in all matters of the latest security and encryption of your sensitive communications.

Our Services

We think of everything, so you don't have to.

Onyx’s comprehensive range of services covers virtually everything your organization needs to connect to the world. Whether we integrate new technology with your legacy system or start fresh with an entirely new system, Onyx has the experience and resources to get you all the features your institution requires, scalable and affordable. And it all comes with an extraordinary guarantee: you will save money on your monthly communications costs.

VoIp phone systems

Our state-of-the-art phone systems are built on OnyxLynx telephone lines, and offer cloud phones with auto attendant voice mail.

SIP Trunking

Onyx Telecom’s VoIP phone service works on your existing equipment. One of the most versatile advantages of VoIP phone systems is how easily they can adapt to meet your evolving needs.


Fast, reliable and secure, you can count on our Internet service to keep pace with your business.

Voice and Text Blasting

In keeping with the trends, our voice and text blasting options keep you connected with your clients.  Get important information out to all your contacts instantaneously in case of emergency or connect to select groups for specific objectives.  A perfect tool for business marketing.

Network management

Rock-solid Onyx networks bring all your technology resources together, with the right combination of cable media and wireless for your organization’s needs.

Systems Maintenance

Onyx partners with your business as a one-stop-shop service provider.  Onyx maintains all your new and existing systems including phone equipment, Internet equipment, network equipment and security equipment, to ensure that your business functions flawlessly.

Cloud Backup

Ensure the security of your data with secure cloud backup. Quick and efficient data restoration can save your business thousands of dollars in the event of a security breach.  


CCTV surveillance allows you to keep a close eye on what is going on in and around your business.  Cameras and monitors allow you to view events live and recorders archive footage for later viewing.

Virtual Faxing

Cloud based faxing service that lets you send and receive faxes from anywhere using your computer, tablet or phone.  Faxes can be viewed online or in your email without the need for a fax machine.



456A Central Ave.  Suite 126
Cedarhurst, NY 11516

Phone number




Toll free

855-ONYXTEL / 855-669-9835