Business Phone Systems Available in Frederick, MD
Professional PBX Phone System Installation and Configuration
Get Voice, Video, Mobility, Security, Chat, Presence, Unified Communications, and more in a single-source PBX System solution.
With over three decades of telecom experience in Frederick, Maryland, DC, NoVA, and recently nationwide with our cloud PBX technology, we have assisted small, medium and large sized businesses in every industry, while complying with industry-specific requirements and regulations. From on-premise digital or IP PBX solutions to virtual servers and cloud-based phone systems, we will design and install your PBX system solution,
provide training and support as well as be there for you when you are ready to upgrade, expand, and/or relocate. Our award-winning small, medium and large office phone systems support thousands of users and include features such as Business Voicemail, Voicemail to Email, Auto Attendant, PBX mobile apps, HIPAA compliant video & web Conferencing, chat, presence, contact center/call center, call recording, security, and so much more.
ACC Office Phone System Options
- 3CX (Available On-premise or in the Cloud)
- ACCloud (Cloud-based phone system)*
- ESI (Digital phone system)
- Toshiba (Digital or IP system options)
Add internet telephone service (SIP Trunks) and eFax services to your business telephone system for a complete telecommunications package solution. *SIP service is included with our ACCloud virtual phone system.
We are excited to customize a communications solution that gives your business the power to attract and retain customers, increase productivity, save money, enhance your image and improve customer satisfaction. Visit our Plans and Pricing page for pricing on business VoIP service and VoIP systems. ACC Telecom specializes in digital, hybrid, and IP on-premise office telephone systems as well as “Virtual PBX” cloud phone systems throughout Frederick, Maryland and the surrounding areas. ACC Telecom has been a telecommunications company and PBX vendor in Frederick, MD for over three decades. Contact us today to schedule your free consultation from one of our certified telecom experts.

With the introduction of the virtual business phone system and IP PBX server technology, small to medium businesses can now enjoy the benefits of video conferencing services 9including secure telehealth solutions), smartphone PBX applications, IP business phone options, business call recording, and contact center software–all at an affordable price.