Free and open first
Best Unified Communications as a Service in 2026
Unified Communications as a Service tools combine business calling, video meetings and team messaging through hosted services. This list is for people comparing ways to handle those tasks on a budget.
- 27 apps
- Research read 28 Sept 2026
- How the order is worked out
- 1
- 2
Microsoft Teams
by Microsoft TeamsFree plan AndroidiPhoneLinux+3Teams covers messaging, calls, and meetings across platforms, with a free plan and business options that list expanded meeting and support features.
- 3
Zoom Workplace
by Zoom WorkplaceFree plan AndroidExtensioniPhone+4Zoom Workplace offers meeting and collaboration features across a broad set of platforms, with a free one-user Basic plan and a paid Pro option.
- 4
Dialpad Connect
by Dialpad ConnectFree trial AndroidiPhoneMac+2Dialpad Connect combines business calling with chat, meetings and AI-generated call notes across devices. Review the plan details and request pricing as needed, since no plan prices are listed.
- 5
- 6
NFON Cloudya
by NFON CloudyaFree trial AndroidAPIiPhone+3Cloudya combines business calling features with web, desktop, and mobile access.
- 7
Avaya Cloud Office
by Avaya Cloud OfficePaid AndroidiPhoneMac+2Avaya Cloud Office brings business communications into one service with broad platform coverage and several plan tiers.
6.1 Visit site - 8
Orange Business Rainbow
Free plan AndroidiPhoneMac+2 - 9
- 10
Broadvoice Cloud PBX
by Broadvoice Cloud PBXPaid AndroidiPhoneMac+2Choose Broadvoice Cloud PBX if your team needs managed business calling, flexible call handling, and options for mobile and remote users.
- 11
BT Cloud Voice
Paid AndroidiPhoneMac+2BT Cloud Voice combines internet calling, routing, voicemail, conferencing, analytics, and collaboration integrations.
- 12
Evolve IP Phone System
by Evolve IP Phone SystemPaid AndroidAPIiPhone+1Evolve IP Phone System covers calling, collaboration, administration and reporting in a cloud platform.
- 13
GoTo Connect
Paid AndroidiPhoneMac+2GoTo Connect spans business phone features, customer messaging, and contact center tools.
- 14
Intermedia Unite
by Intermedia UnitePaid AndroidiPhoneMac+2Intermedia Unite combines broad communications features with business integrations, security controls, and two main plan levels.
- 15
Ooma Office
by Ooma OfficePaid WebWindowsMac+2Ooma Office combines business calling features with desktop and mobile access across five platforms.
- 16
net2phone UNITE
by net2phone UNITEPaid AndroidiPhoneWebUNITE brings business calling and other communications into one platform, with plans that add international calling, expanded video, and AI features.
- 17
PanTerra Streams.AI
by PanTerra Streams.AIPaid AndroidAPIiPhone+3Streams.AI covers business communications from phone service through contact-center operations, with higher plans adding collaboration and monitoring tools.
- 18
Sangoma Communications Platform
by Sangoma Communications PlatformPaid AndroidAPIiPhone+4Sangoma Communications Platform covers communications, meetings, contact-center work and customer outreach across several deployment models.
- 19
UNIVERGE BLUE CONNECT
by UNIVERGE BLUE CONNECTPaid AndroidiPhoneMac+2Choose CONNECT if you want a cloud service combining business calling with chat, meetings and file collaboration across desktop and mobile platforms.
- 20
Yeastar P-Series Cloud Edition
by Yeastar P-Series Cloud EditionFree trial AndroidAPIExtension+4Yeastar P-Series Cloud Edition covers calling, contact-center communication, integrations, and multiple client types in one service.
- 21
Vonage Business Communications
Paid WebWindowsMac+2Vonage Business Communications combines business calling features with desktop and mobile access.
- 22
Webex Experience Management
Paid AndroidAPIiPhone+1Webex Experience Management combines journey mapping, feedback analytics, and follow-up tools for customer experience programs.
- 23
- 24
RingCentral RingEX
by RingCentral RingEXPaid AndroidiPhoneRingEX brings core business communications and collaboration into one app, with broad integrations and mobile support.
- 25
BoomTalk
Paid AndroidiPhoneMac+1
#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price
Compare free plans, trials, paid starting prices, business phone features, meeting limits, call recording and deployment. Check support for iOS, Android, web, macOS, Windows or an API, and review the licence if you need to read or change code.
Questions
What does Unified Communications as a Service cover?
These hosted services can provide business phone calling, video meetings and team messaging.
Can I use a free plan?
A free plan is offered by items in this category. Check the included features and limits before relying on it.
Are free trials available?
A free trial is offered by items on the list. Grandstream CloudUCM lists a 30-day trial.
Which platforms can these services support?
Platforms represented here include iOS, Android, web, macOS, Windows and API access.
How should I compare plans?
Compare free plan terms, paid starting price, business phone service, video meetings, team messaging, meeting participants, call recording and deployment.
Does a free plan mean open-source code?
No. If you need to read or change code, check the software licence separately from its pricing plan.
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