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Trusted Business Telecommunications Solutions
Advanced Communication Systems has been a trusted leader in telecommunications solutions since 1998, serving businesses and government agencies nationwide. As a national vendor of Avaya and Cisco, we specialize in hybrid, cloud-based, and VoIP phone systems tailored to meet the evolving needs of enterprises of all sizes. Our team of certified engineers delivers end-to-end solutions, from network consulting to 24/7 technical support, ensuring seamless communication infrastructure for 5,000+ clients. With headquarters in the Washington, D.C. area, we combine industry-leading technology with personalized service to optimize operational efficiency.

Our A+ rating with the BBB and decade-spanning partnerships with major OEMs underscore our commitment to quality. We prioritize strategic planning, disaster recovery, and scalable solutions to future-proof your business communications. Client testimonials from organizations like Allstate Insurance and Raytheon validate our dedication to excellence, prompt service, and adaptable problem-solving. By focusing on customized deployments and ongoing support, we empower clients to reduce costs, enhance collaboration, and maintain uninterrupted connectivity in dynamic environments.
Services
VoIP Solutions SIP Trunking Network Consulting Avaya Phone Systems Cisco Phone Systems Unified Communications Contact Center Solutions Disaster Recovery Business Phone Systems Telecommunications Support
Details
  • Year established: 1998
Highlights and features
  • We have over 20 years of experience in telecommunications solutions.
  • Our nationwide coverage ensures local support wherever you are.
  • We offer 24/7 personalized customer support.
  • Our team consists of certified experts with extensive experience.
  • We are accredited by the Better Business Bureau (BBB).
Associations and certifications
  • Better Business Bureau (BBB)
What people say
Professional and prompt Smooth installation Dedication and professionalism Exceeded expectations Helpful and responsive
Services
VoIP Solutions
Our VoIP solutions enable cost-effective communication by converting voice signals into digital data for transmission over the internet. These systems offer scalability, advanced features like call analytics, and remote work flexibility. Businesses benefit from reduced infrastructure costs and uninterrupted connectivity through disaster recovery features.
SIP Trunking
SIP trunking consolidates voice and data communications onto a single network, reducing operational costs and enhancing scalability. Our solutions provide reliable connectivity, real-time analytics, and seamless integration with existing systems. Businesses gain flexibility to scale channels based on demand while maintaining high call quality.
Network Consulting
Our network consulting services optimize corporate connectivity through high-performance internet solutions and infrastructure modernization. We assess existing systems to identify cost-saving opportunities and implement redundant, scalable networks. Clients receive tailored recommendations to improve efficiency and support cloud-based applications.
Avaya Phone Systems
We deploy Avaya phone systems with unified communications, contact center capabilities, and hybrid deployments. These solutions integrate voice, video, and messaging for improved collaboration. Businesses gain access to advanced features like mobility tools and cloud backup for uninterrupted operations.
Unified Communications
Unified communications streamline workflows by integrating voice, email, chat, and video conferencing into a single platform. Our solutions enhance productivity and customer engagement while reducing communication costs. Scalable features adapt to growing businesses and remote work environments.
Questions
What telecommunications solutions do you offer?
We provide VoIP, SIP trunking, Avaya/Cisco phone systems, unified communications, and network consulting services tailored to enterprise needs.
Are your services available nationwide?
Yes, we serve businesses across the U.S., with local offices in Washington DC, Maryland, and Virginia.
Do you provide 24/7 technical support?
Yes, our certified professionals offer round-the-clock support for hybrid, cloud, and on-site systems.
How do you handle disaster recovery?
Our solutions include redundant network architecture and failover configurations to ensure business continuity during disruptions.
What industries do you serve?
We work with healthcare, finance, government, retail, technology, and other sectors requiring scalable telecom infrastructure.
Can you help with system migrations?
Yes, we provide planning, implementation, and training for transitioning to VoIP, SIP trunking, or cloud-based systems.