Cloud business phone
Business numbers, call routing and voicemail without a phone system in a closet.
Vendors
One platform for calls, meetings and messaging
UCaaS (unified communications as a service) puts your business phone, video meetings and team chat in one cloud app. Your team can take a call from the office, at home or on a mobile phone with the same number. We compare the platforms on what matters to you, then manage the purchase and the move from your old phone lines.
[DRAFT - pending owner review]
What this category covers
Meetings and chat
Video meetings and team messaging in the same app as the phone.
Integrations
Connecting calls to the tools you already use, such as Microsoft Teams, Outlook and your CRM.
UCaaS vendors we represent
Compare the featured options by fit, trade-offs and the problem each one solves.
Zoom
Authorized partner
The meeting platform your team already knows, with Zoom Phone and team chat in the same app.
Best fit
Teams that already live in Zoom meetings and want to add a business phone without learning a new tool.
Look elsewhere if
Your company runs entirely on Microsoft Teams and wants calling inside Teams. Compare Vonage.
RingCentral
Authorized partner
A long-established cloud phone system with messaging, video and a large library of integrations.
What it does: RingEX combines business calling, team messaging, video meetings and SMS in one app, with integrations for Microsoft Teams, Google Workspace, Salesforce and many other tools.
Best fit
Businesses that want a proven, full-featured phone system and may add a contact center later from the same vendor.
Look elsewhere if
Your team already lives in Zoom meetings. Compare Zoom.
Dialpad
Authorized partner
An AI-first phone, meetings and messaging platform that transcribes and summarizes calls as they happen.
What it does: Dialpad Connect combines calling, video meetings and messaging in one app. Its AI takes notes, transcribes calls in real time and surfaces coaching for sales and support teams.
Best fit
Sales and customer-facing teams that want call notes and coaching without a separate tool.
Look elsewhere if
You only need a basic phone line and do not want AI features. A simpler plan may cost less.
Vonage
Authorized partner
A cloud phone system with deep Microsoft Teams integration.
What it does: Vonage Business Communications brings business calling, SMS and call recording to the desk, the mobile app and the Microsoft Teams app. It integrates with Outlook, Dynamics, Salesforce and HubSpot. Vonage has been part of Ericsson since 2022.
Best fit
Microsoft 365 businesses that want full phone features inside Teams, and teams that want calls logged in their CRM.
Look elsewhere if
Video meetings are your main use. Compare Zoom.
Ooma AirDial
Authorized partner
A replacement for the old copper phone lines that still run elevators, fire alarms and fax machines.
What it does: AirDial replaces analog POTS lines (plain old telephone service) with a managed device that connects over wireless and internet. It keeps elevator phones, alarm panels, fax machines and door entry systems working as carriers retire copper lines.
Best fit
Buildings and multi-site businesses still paying for analog lines for alarms, elevators or fax.
Look elsewhere if
You are replacing desk phones for staff. Compare Zoom, RingCentral, Dialpad or Vonage.
These are the featured vendors for this category. Every other vendor we hold an agreement with is on the vendor list, and an advisor can bring any of them to a call.
See the full vendor list →Moving off an old phone system?
We plan the number transfer and the cutover so calls do not drop during the switch.
Talk to a UCaaS Advisor