Best business phone systems and PBX software
Software PBXs and VoIP phone systems that route calls, voicemail, queues and extensions for a business, whether self-hosted on your own server or hosted by the vendor.
12 apps, ordered by visits from AppBreakup and how often our research lists each one as an alternative. Open any app to see its alternatives.
All business phone systems and PBX software
- RiAlternatives to RingCentral RingEX
RingCentral's cloud business phone system with team chat, video meetings and SMS in one app.
PaidWeb, Windows, macOS, iOS, Android - Alternatives to Dialpad
AI-powered cloud phone, messaging, meetings and contact center platform for businesses.
PaidWeb, Windows, macOS, iOS, Android, Browser extension - Alternatives to Google Voice
Google's phone number service for calls, texts and voicemail on phones, laptops and desk phones.
Free plan + paidWeb, iOS, Android - FuAlternatives to FusionPBX
Open-source, multi-tenant PBX with a web interface built on top of FreeSWITCH.
Open sourceLinux, Self-hosted - Alternatives to Asterisk
Open-source telephony toolkit for building IP PBXs, VoIP gateways and conferencing systems.
Open sourceLinux, Self-hosted - Alternatives to FreeSWITCH
Open-source software telecom engine for voice, video and messaging, maintained by SignalWire.
Open sourceLinux, Self-hosted - Alternatives to Ringover
French cloud phone system for sales, support and recruiting teams, with AI call summaries.
PaidWeb, Windows, macOS, iOS, Android - Alternatives to Ooma Office
Small-business VoIP phone service with desk phone support, virtual receptionist and mobile apps.
PaidiOS, Android, Windows, macOS - Alternatives to Grasshopper
Virtual business phone number with calling and texting apps for US and Canadian small businesses.
PaidiOS, Android, Windows, macOS - Alternatives to Quo
Business phone app for small teams, formerly OpenPhone, with shared numbers, texting and AI.
PaidWeb, iOS, Android, macOS, Windows - Alternatives to CloudTalk
Cloud calling software for sales and support teams, with dialers, smart routing and CRM integrations.
PaidWeb, Windows, macOS, iOS, Android - Alternatives to FreePBX
Open-source web interface for building and managing an Asterisk-based business phone system.
Open sourceSelf-hosted, Web
Our picks by need
Best for most people
RingCentral RingEXBest for a free option
FusionPBXBest for Mac
DialpadBest for Windows
RingoverBest for Linux
AsteriskBest for iPhone and Android
Google VoicePopular comparisons
Common questions
What is the best business phone systems and PBX software?
Based on how often our research lists them as alternatives and visits from AppBreakup, the leading business phone systems and PBX software options right now are RingCentral RingEX, Dialpad, Google Voice, FusionPBX and Asterisk.
Is there free business phone systems and PBX software?
Yes. Google Voice (free plan + paid), FusionPBX (open source), Asterisk (open source), FreeSWITCH (open source) and FreePBX (open source) have a free option, out of 5 free or freemium apps we track.
Which business phone systems and PBX software is open source?
None of the apps in this category is open source.