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Top 10 Business Phone systems
August 04, 2025 | Editor: Adam Levine
21
Cloud-based business phone systems and self-hosted PBX software.
1
All your communications on one platform. Team messaging with file sharing, tasks and more. All-in-one cloud phone, team messaging & video conferencing. HD-quality video conferencing with screen sharing. Outbound and inbound contact center and digital customer engagement.
2
3CX Phone System for Windows is a software-based IP PBX that replaces a proprietary hardware PBX / PABX. 3CX’s IP PBX has been developed specifically for Microsoft Windows and is based on the SIP standard, making it easier to manage and allowing you to use any SIP phone (software or hardware).
3
Vonage provides communications APIs, unified communication solutions, contact centers, conversational commerce platform.
4
The Nextiva cloud-based phone system is an all-inclusive unified communication (UC) solution designed for small to large enterprises. Business VoIP phone systems trusted by more than 90000 companies. Powered by the leading cloud PBX VoIP platform, Nextiva is rated the best business VoIP ...
5
8x8 has a combined phone and contact center solution that can do it all: provide inbound and outbound calling, live agent chat, click-to-call, and live routing options. It’s a one-stop shop for all our needs.
7
A business phone system that works the way it should. Reign in your remote workforce with a single place for business conversations, no matter the device or location. With mobile apps that make you feel like you’re working out of HQ, your business phone system now goes where you go. Understand why callers are reaching your business (plus what was said) with native Ai insights.
8
Cloud-based phone system and call center software solution. Instant set-up. Integrates with your favourite CRM and Helpdesk. No hardware, no deskphone.
9
A virtual phone system can help your business stay organized with many calls coming in. Sound professional and stay connected.
10
FreePBX is a web-based open source GUI (graphical user interface) that controls and manages Asterisk (PBX), an open source communication server. FreePBX is licensed under the GNU General Public License (GPL), an open source license.
11
Zoom Phone supports traditional business phone system features delivered with a streamlined user experience to modernize employee and customer interactions. Quickly provision and manage users and intelligently monitor business interactions with an easy-to-use centralized administration portal
12
Modern business phone for startups and small business. OpenPhone brings your business calls, texts, and contacts into one delightful app. Work anywhere, across all your devices.
13
An open source telephony switching and private branch exchange service for Linux. Information on downloading, installation of and support for the product. Asterisk is like a box of Legos for people who want to create communications applications. It includes all the building blocks needed to create a PBX, an IVR system, a conference bridge and virtually any other communications app you can imagine.
14
FreeSWITCH is a free and open-source telephony software for real-time communication protocols using audio, video, text and other forms of media.
15
FusionPBX can be used as a highly available single or domain based multi-tenant PBX, carrier grade switch, call center server, fax server, voip server, voicemail server, conference server, voice application server, appliance framework and more. FreeSWITCH™ is a highly scalable, multi-threaded, multi-platform communication platform.
17
Virtual PBX Service For Any Business, provides virtual office connectivity, user friendly Web 2.0 management, free extension to extension calls, free internet to internet calls
Important news about Business Phone systems
2024. RingCentral introduced AI Assistant
RingCentral AI Assistant that is now included in all RingEX tiers at no additional cost, is designed to help you save time, stay organized and focus on what matters most. It allows to generate real-time call notes and summaries (automatically captures important points, open questions and action items during phone calls), polish and translate your texts (helps draft, refine and translate messages across six languages), catch up on missed conversations (recaps key points in group chats), turn meetings into actionable insights (from transcriptions to keyword-based video highlight reels, it provides all the tools to ensure you leave every meeting with clear next steps).
2021. Ericsson to acquire cloud communications company Vonage for $6.2B
Ericsson, an international networking company, decided it needed a dose of modernization and acquired cloud communications company Vonage in a $6.2 billion deal. With Vonage, Ericsson is getting a more modern approach to communications that includes a cloud contact center, communications APIs (like Twilio’s) and a voice over internet protocol (VoIP) solution. The company believes that it can build on its 4G and 5G networking technology by taking advantage of the key pieces of the Vonage family. Specifically, Ericsson is focused on Vonage’s communications APIs, which it believes will enable it to tap into a network of developers across the world building applications based on 4G and 5G technology.
2021. Aircall raises $120M for its cloud-based phone system
Aircall has raised a $120 million Series D. The startup is building a cloud-based phone system for call centers, support lines and sales teams. It integrates with Salesforce, HubSpot, Zendesk, Slack, Intercom and other popular CRM, support and communication systems. Aircall customers can create local numbers and set up an interactive voice response directory. The service manages the call queue for you and your agents can start answering inbound calls. Agents can transfer calls and put customers on hold. Admins can see analytics, monitor calls and see how everyone is doing.
