Microsoft Teams is a communications and collaboration app for chat, channels, calls, meetings, and screen sharing.
Alternatives to Net2Phone Office
Nextiva is a hosted VoIP phone system for business communications, with voice calling, messaging and collaboration tools.
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NFON Cloudya
NFON Cloudya is paid cloud telephony for businesses, available through the web and apps for Windows, macOS, iOS, and Android.
AndroidiOSWebAPI7.8From €4.50 a month - 5

3CX
3CX is a business communications platform for handling calls through web, desktop and mobile apps.
Free planAndroidiOSWebWindows7.5From $300 a year - 6

Zoom Workplace
Zoom Workplace is a collaboration service with meetings, screen sharing, breakout rooms, and recording.
AndroidiOSWebExtension7.5 - 7

Dialpad Meetings
Dialpad Meetings brings video conferencing, live AI transcription, automated notes, and meeting summaries into one service.
Free planAndroidiOSWebmacOS7.4Free plan - 8

Zadarma
Zadarma is a business phone service with web, desktop, and mobile apps.
Free planAndroidiOSWebWindows7.3From $44 a month - 9
Intermedia Unite
AndroidiOSWebmacOS7.2From $27.99 a month - 10
RingCentral RingEX
RingCentral RingEX combines business calls, video meetings, messaging, SMS, and fax in one app.
AndroidiOS7.1 - 11
Alcatel-Lucent Enterprise Rainbow
Free planAndroidiOSWebAPI6.9Free plan - 12
Vodia PBX
AndroidiOSWebAPI6.9 - 13

GoTo Connect
GoTo Connect is a paid cloud communications platform for small, midsized, distributed, and multi-location businesses.
AndroidiOSWebmacOS6.8 - 14
Avaya Cloud Office
Avaya Cloud Office is a paid cloud communications platform combining voice, video, messaging, meetings, and collaboration.
AndroidiOSWebmacOS6.6 - 15
Ooma Office
AndroidiOSWebWindows6.3 - 16

Wildix
AndroidiOSWebWindows6.2 - 17
Vonage Business Communications
AndroidiOSWebWindows6.1 - 18
Sangoma Business Communications
AndroidiOSWebmacOS5.4
