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Business Phone Service Providers & Telecom Companies in Maryland

Reliable Telecommunications Company in Maryland Since 1979

Telecommunications products and services including IP phones, conference room phone, video conferencing services, cordless SIP phones.

ACC Telecom has been meeting and exceeding customer expectations since 1979. We are a Better Business Bureau accredited company with an A+ rating. We have installed new office phone systems for small to large companies in and around many Maryland counties, as well as Washington DC and various areas in Northern Virginia (NoVA) and Pennsylvania.  You

should never have to settle for second best when it comes to your business phone service, phone system, internet connections and phone lines at your business. Dropped or unreliable calls, poor connection, and lack of internet connection in certain areas of the building can all be fixed by proper network upgrades and installing a new state of the art telecommunication system.

Our Top Products and Services

  • Business VoIP Phone Service / Session Initial Protocol Trunks: SIP / IP Phone Systems that use your existing broadband connection– saving your company money by eliminating POTS (plain-old telephone lines) and additional Ethernet connections.
  • Hosted VoIP Phone System with standard Cloud PBX features: Forge that professional first impression on your customers when they call and can access an auto-attendant and company directory.
  • Business Phone Systems: IP, Digital, Hybrid and Cloud phone systems available to meet every and any business telecommunications needs.
  • IP Security and Surveillance Systems with virtual alerts of motion: Smartphone integration and real-time motion detection cameras alert you via email when activated.
  • Overhead Paging Systems: Perfect intercom system solution for small businesses to large commercial companies that require applications in both wireless and wired systems.
  • Low Voltage Cabling: voice and data network cable installation for businesses including cat5, cat5e, cat6, fiber, & coaxial.

After more than three decades in the industry, ACC Telecom knows how to design the perfect PBX system to fit your unique company. Don’t settle for low-quality installations or unreliable service. At ACC Telecom, we back up every installation with a 90-day performance guarantee and offer up to five-

year warranties on parts- more than any other telecommunication installation company in the industry today! When you’re ready to have a new state of the art communication system installed for your business, warehouse or government application, contact us today.


Our Specialties Include:

Business Phone Systems

  • ACCloud, 3CX, ESI
  • Hosted PBX
  • IP PBX Servers
  • Virtual Servers
  • Digital PBX
  • Cloud Server Configuration

Phone Service


  • IP Security Camera System
  • Security Camera Installation
  • SD WAN security
  • Network firewall security
  • Cybersecurity & website content filtering


  • Telecom Support & Service
  • On-site PBX support & telephone system repair
  • Authorized Toshiba phone system sales and support dealer
  • Authorized ESI phone system sales and support dealer
  • Authorized 3CX phone system sales and support dealer
  • Certified VoIP / SIP Trunk sales and support
  • Free Helpdesk Support for Customers

PBX Applications

  • Business Call Recording
  • Business SMS
  • Call Center software
  • Call Accounting software
  • Conference Call Services
  • ACD (Advanced Call Distribution)
  • Web Conferencing Solutions
  • Video Conferencing / Web Meeting
  • IVR (Interactive Voice Response)
  • Auto Attendant / Virtual Receptionist
  • Voicemail, Voicemail to email, Voicemail Transcription
  • Call Manager
  • Click to Call
  • Unified Communications
  • Enterprise Mobility Applications (EMAs) / Mobile APP Clients
  • Softphones / Soft PBX
  • Internal Chat
  • Line appearance / Presence
  • QoS Monitoring


PA Systems


  • Wireless & Mobility Apps
  • Conference Room Setup
  • Conference Call Services
  • Secure Communications
  • Door Access Control Systems
  • Headsets


Related:  Maryland phone companies