211 Knickerbocker Ave, Ste 4, Bohemia, NY 11716
emailinfo@tdli.net| phone(631) 913-0226

Long Island
Business Phone Systems

We are ready to assist you with all phases of
planning, design, installation and maintenance for
data and voice systems for your business or home.

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Free Consultation

VoIP Phone Systems &
Hosted Solutions

Starting at $29.95 per month

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Free Consultation

Outstanding Customer

Whether it's a new phone system or servicing an
existing system,TDLI has the experienced staff
to ensure top level service. TDLI also has
24/7 service to handle any emergency needs.

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Free Consultation

Starting a Business, Moving,
or Looking to Save Money
Every Month?

TDLI can move your existing equipment or provide
an entirely new system for you at your new location.

TDLI is also an authorized Optimum provider,
and we can set-up all of your services at your new office.

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Free Consultation

Long Island Business Phone
Systems Provider, TDLI

KX-NS700 Compact Unified Communications Platform
This Platform will protect your investment by incorporating
current digital phone systems with an easy to install IP protocol.

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our products and services

Our Products & Services

Get a FREE Quote

TDLI can provide you with a custom quote for all of your needs. New systems, support and repairs for existing systems, Optimum  phone service, internet and TV for your business and more.

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Business Phone Systems

Whether you are a small business or large enterprise, Long Island Business Phone Systems Provider, TDLI can provide you  the right system and services to meet all of your needs.

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Questions about our service plans, experience, or how we can help? Read our frequently asked questions.


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Reliable Service & Support

TDLI provides outstanding customer service and support. We are your go-to provider when you need reliable service.


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Acquiring new equipment is most likely the largest capital investment you will make for your business. Equipment financing is an easy, economical way for businesses of any size to get equipment without making a large cash investment. Whether you are looking to expand current capacity or looking to replace old, inefficient equipment, TDLI will help you understand how financing solutions help you acquire the equipment you need for your business.

Business Phone Systems Long Island

Are you looking to start a business, move your office, or save money on your voice and data service every month? If so, you’ve come to the right place. TDLI is a Long Island telecommunications company that offers cost-effective solutions to all your office communication needs. Whether you have questions about hosted VoIP systems, premised based IP phone systems, voice & data cabling or a traditional PBX systems, TDLI has the answers. If you are relocating TDLI can cable your new space, move all of your existing equipment or provide an entirely upgraded company phone system for your new location. TDLI is an authorized Optimum provider and can order, schedule and coordinate all of your dial tone, internet and TV services at your new office, without any hassles or down time.

A Long Island business that can assist you in all phases of planning, designing, installation and maintenance for voice and data systems, whether it be for your business or home, TDLI offers VoIP systems and hosted solutions starting at just $29.95 a month.

TDLI Communications Corp. is a customer-driven, results-oriented telecommunications company and the best business phone systems service on Long Island, providing quality service and superior products. We have been proudly serving Long Island for more than 16 years. Our experienced, certified technicans will ensure that your needs are addressed as quickly and efficiently as possible. You’ll want to find out why customers who do business with TDLI Communications Corp. in Nassau, Suffolk and Queens have become customers for life.We not only provide top-notch state-of-the-art unified communications equipment, we offer quality refurbished products to upgrade or repair your older voice and data systems. We also offer repair service for Panasonic KX-T systems, Avaya Partner systems and other telecommunications equipment manufacturers. TDLI Communications Corp. is proud to announce the addition of the SpydurPbx family of VoIP products to our growing list of communication solutions. SpydurPbx is a complete Voice over IP telephone system that offers the latest features you would expect from the most expensive VoIP systems available at a fraction of the price. Call us today at (631) 913-0226 and discover why SpydurPbx offers communications without compromise. TDLI also offers business phone system repairs, installations & complete hosted phone systems as well as SIP trunking on Long Island, Nassau & Suffolk County.

Our outstanding, experienced Customer Service Department will be happy to guide you through your available telephone and data solutions for business or home. Whether it’s a new phone system or servicing your existing system, TDLI’s friendly, highly-trained staff will ensure that you receive top level service. Our representatives are available 24 hours, seven days a week to handle any and all of your emergency needs as well as informational questions.