Double D Solutions

Telephone Systems, Voicemail, VoIP, Networking and More

Phone Systems

There are three major types of commercial phone systems on the market today: key systems, Private Branch Exchange (PBX) systems, and KSU-less phones. The type of system you choose will depend on how many stations (extensions) you need and what features you require.

Long Island Business Phone Systems

Cable & Wiring

No job is too small from adding a single PC to cabling an entire manufacturing plant or warehouse. As a complete installation and maintenance source, we will work with you to provide fully customized, high-speed connectivity.

Long Island Cabling and Wiring

Service & Install

Double D also provides full installations, moves/adds/changes (MAC), administration, cable management, and project management to our customers. Double D processes requests for any of these services on a first-in first-out basis and quite often on a same day basis.

Long Island Business Phone System Service and Installation



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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.