UCaaS (Unified Communications as a Service)

Business calling, video meetings and messaging delivered as one cloud service.

What Is UCaaS?

UCaaS stands for unified communications as a service. It’s a cloud platform that brings a business’s communication tools together: phone calls, video meetings, team chat, voicemail and sometimes contact center features. Because a provider hosts it, there’s no phone system to install on site, and employees use the same number and tools from a desk phone, a laptop or a mobile phone.

What’s Included in UCaaS

  • Business phone service over VoIP, with auto attendants, call routing and hunt groups
  • Video meetings and screen sharing
  • Team chat and messaging
  • Voicemail, often transcribed and sent to email
  • Presence, so you can see who’s available
  • Integrations with tools like Microsoft 365 and CRM software

UCaaS vs VoIP vs CCaaS

Term What it is
VoIP The technology that carries voice calls over the internet
UCaaS A cloud platform that combines VoIP calling with video, chat and messaging
CCaaS A cloud contact center for teams that handle large volumes of customer calls and chats

VoIP is a building block of UCaaS. Every UCaaS platform uses VoIP, but not every VoIP service includes video and chat.

Benefits of UCaaS

  • One system for employees to learn instead of several
  • Work from the office, home or the road with the same number
  • Add or remove users as the team changes
  • A predictable monthly cost
  • No on-site phone hardware to maintain

UCaaS With Microsoft Teams

Many businesses already use Microsoft Teams for chat and meetings. Adding Teams calling turns it into a complete UCaaS setup, with real business phone numbers inside the app people already use. ALLO Business offers Microsoft Teams Voice for this, and Cloud Voice for businesses that want a hosted phone system with desk phones.

Bring calling, chat and meetings together.

FAQs

Unified communications as a service: business communication tools delivered from the cloud as a subscription.

VoIP is the technology for internet phone calls. UCaaS is a full platform that uses VoIP and adds video meetings, chat and other collaboration tools.

Teams handles chat and meetings on its own. With a calling service like Teams Voice added, it works as a complete UCaaS platform with business phone numbers.

Not necessarily. Most UCaaS services work through a computer or mobile app, and many support existing IP desk phones.

Voice calls need very little. Video meetings need more, especially upload speed. A connection with matching upload and download speeds keeps calls and meetings clear when several people are on at once.