Comcast Business

Comcast Business brings carrier-scale infrastructure, brand recognition, and a massive domestic network to the UCaaS market. Headquartered in Philadelphia, Pennsylvania and publicly traded on NASDAQ as CMCSA with approximately 185,000 employees, Comcast Business is one of the largest connectivity and communications providers in the United States. Its UCaaS platform is built on Broadsoft — an industry-standard cloud PBX platform used by many of the world's largest telecommunications providers.

Scale Without Complexity

With a three-seat minimum and a 99.99% uptime SLA, Comcast Business UCaaS is accessible to small teams while proven at enterprise scale — the largest referenced deployment stands at 30,000 seats. This range of scalability, combined with Comcast's ability to bundle UCaaS with dedicated internet access, SD-WAN, and cybersecurity services, makes it particularly compelling for organizations that value consolidated vendor relationships and simplified billing.

Business Continuity Architecture

Comcast Business's ability to provide edge appliances for local internal dialing during WAN outages ensures that sites can continue to make internal calls even if the cloud connection is interrupted. This is a meaningful reliability differentiator for multi-site organizations with campuses in areas prone to connectivity disruptions.

Network Integration Advantage

For organizations already receiving Comcast Business internet, the bundling of UCaaS on the same fiber infrastructure creates a quality-of-service advantage: Comcast can prioritize voice traffic at the network layer in ways that multi-vendor configurations cannot achieve. This translates directly to call quality consistency.

Global Reach

The PSTN replacement coverage spans 45+ countries with key APAC, EMEA, and North American presence. Data centers in Sydney and Tokyo (APAC), Amsterdam (EMEA), London (UK), and Los Angeles and McLean, VA (US). Compatible handsets include Algo, Cisco, Poly, Yealink, and Logitech room systems. Multiple calling plan models: concurrent call path or named user unlimited domestic plans.