About MD3

Built around field service, long-term support, and practical upgrades.

MD3 Communication Service, Inc. serves organizations that need communication and security systems that keep working in real buildings every day.

Since 200520+ yearsNYC + NJ
Integrated building systems with phone, intercom, access keypad, and security camera in a bright commercial entry area.
Company Overview

A local service company built around working systems.

MD3 helps businesses and properties keep phone, entry, access, and camera systems dependable in day-to-day use.

Since 2005
MD3 has supported businesses and properties across the New York City and New Jersey metro area with on-site service and system guidance.
20+ years
MD3's company experience helps bridge older infrastructure, mixed vendor environments, and newer upgrade paths.
Today
MD3 focuses on business phone systems, building intercom, access control, and CCTV where reliability and response matter most.
Telecom and security service bench with desk phone, monitors, and organized equipment racks.
MD3 + DigiPBX

DigiPBX carries the deeper software story.

MD3 stays focused on field service. DigiPBX is the related technical site for softphone, AI voice, secure access, and custom workflow work shaped by that field experience.

  • Softphone and AI voice work live under the DigiPBX technical direction
  • Custom workflow systems connect phone activity with records, intake, and follow-up
Infrastructure and supporting equipment used in modern telephony environments.
Why Clients Keep MD3 Close

A field-service approach that stays practical.

Practical recommendations

We recommend what fits the site and the workflow, whether that means extending a legacy system or upgrading a failing one.

Clean scope, clear support

Clients need to know what is changing, why it matters, and how it affects operations. We keep that scope visible.

Systems that work together

Phone, entry, and surveillance often affect the same daily workflow. We plan them to work together, not as isolated devices.

Support that stays useful

Installation is not the end of the relationship. MD3 is structured to support the systems after they go live.