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Business VoIP · for Small businesses and small teams

Best Business VoIP for Small Teams

A cloud phone system lets a small team share a professional business number, route calls to the right person and answer from a desk phone, laptop or mobile app. Many services now bundle SMS, video meetings and AI call summaries as well.

Updated September 30, 2026 · 3 picks · selections are editorial and never sponsored

We compared business VoIP services using only information from each vendor's official pages. Our picks cover a full-featured suite, a simple small-office system and an option built into a widely used meetings platform.

How we chose

1 Call routing

Auto attendants, virtual receptionists, ring groups and call queues for directing callers.

2 Apps and devices

Support for mobile and desktop apps and compatible desk phones.

3 Messaging and meetings

Whether business SMS, fax and video meetings are included or require higher tiers.

4 Integrations

Connections to CRM, productivity and helpdesk tools.

5 Availability

The countries where service and numbers are offered.

Picks at a glance

CriterionRingCentral RingEXOoma OfficeZoom Phone
PricingVerifyVerifyVerify
Editorial scoreNot yet scoredNot yet scoredNot yet scored

The picks

1

RingCentral RingEX

A full cloud phone system with calling, SMS, fax, video meetings and team messaging in one app, backed by a deep integration catalog.
Not yet scored

Why it fits small businesses and small teams

RingCentral RingEX covers calling, SMS, fax, meetings and team chat in one app, with a visual IVR editor and a large integration catalog that lets a small team grow without switching systems.

Limitations to weigh

AI Receptionist and expanded SMS or call-queue capacity are add-ons.

Pricing
Pricing not yet verified
Last checked
not yet verified by our editors
Also good for
Growing businesses that need calling, fax and meetings together, Multi-site teams
Visit RingCentral RingEX Official vendor siteRingCentral RingEX reviewRingCentral RingEX alternatives
2

Ooma Office

A small-business phone service with a virtual receptionist and mobile app on every plan, and optional IP phones and adapters.
Not yet scored

Why it fits small businesses and small teams

Ooma Office includes a virtual receptionist, mobile app and toll-free number on every plan and needs no special hardware, making it an easy landline replacement for small offices.

Limitations to weigh

Available only in the US and Canada; call queuing requires Pro Plus.

Pricing
Pricing not yet verified
Last checked
not yet verified by our editors
Also good for
Small offices in the US and Canada, Businesses replacing a basic landline
Visit Ooma Office Official vendor siteOoma Office reviewOoma Office alternatives
3

Zoom Phone

Cloud calling that lives inside Zoom Workplace, adding business numbers, SMS, call queues and AI call summaries to Zoom meetings.
Not yet scored

Why it fits small businesses and small teams

Zoom Phone adds business numbers, SMS, call queues and AI call summaries to the Zoom app, so teams already meeting on Zoom can handle calls in the same place.

Limitations to weigh

The entry bundle caps meeting length, and international calling is metered.

Pricing
Pricing not yet verified
Last checked
not yet verified by our editors
Also good for
Teams already using Zoom for meetings, Businesses wanting AI call summaries
Visit Zoom Phone Official vendor siteZoom Phone reviewZoom Phone alternatives