5 Best Cloud Phone Systems for Businesses in 2025

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As more organizations rely on internet-based communications, cloud phone systems have become the go-to alternative to traditional PBX hardware and on-premise VoIP. By eliminating costly servers and the need for constant upkeep, cloud systems make it easier to scale operations, support remote teams, and unlock advanced features such as call routing, analytics, and third-party integrations.

With lower costs, greater mobility, and streamlined management, cloud phone systems represent the future of unified communications. Therefore, this guide breaks down the five best providers in 2025 so you can identify the right fit for your business.

• Best overall cloud phone system: Nextiva
• Best for apps and integrations: RingCentral
• Best for affordable plans: Zoom Phone
• Best for AI-powered calling: Dialpad
• Best for ...