Long Island phone systemsCable and Wiring Voice Over IPLong Island New York Phone Service and Install
Servicing Avaya, Nortel, Mitel, Inter-tel, Lucent and AT&T
Telecommunications - Long Island

The Double D Advantage


Value. We deliver unsurpassed value to our customers by serving them well. We also offer Refurbished Equipment with a FULL warranty for our customers that have an economically minded budget.

Accountability. We keep our commitments to our customers and earn the confidence of them by doing what we say we will do.

Innovation. We embrace change, for ourselves and for our customers by fostering creativity, innovation, and by using technology as a strategic tool.

Efficiency. We excel by combining speed and direction; our sense of urgency is manifested in a timely, customer-focused execution.


We are Dedicated to the Details to ensure your telecommunications perform at their best!


Long Island Business Phone System Testimonials
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                Double D Services, Inc. is an independent distributor of technology and telecommunications equipment. Double D Services, Inc. does not represent Avaya, Lucent Technologies, Nortel Networks, Mitel, AT&T or their affiliates in any way. The Avaya logo, Merlin, Merlin Legend, Merlin Magix, Partner, Partner Plus, Partner II, Partner ACS, Spirit, Definity, and IP Office are registered trademarks of Avaya, Inc.. The Nortel logo, Norstar, Meridian, and Business Communication Manager are registered trademarks of Nortel Networks. Synapse and SynJ are registered trademarks of AT&T. Double D Services, Inc. is not in any way affiliated, authorized, or licensed by Avaya or Nortel Networks.  Copyright © 2002-2018 Double D Services, Inc.