Best Business VoIP Providers for Five9

Find and compare the best Business VoIP providers for Five9 in 2026

Use the comparison tool below to compare the top Business VoIP providers for Five9 on the market. You can filter results by user reviews, pricing, features, platform, region, support options, integrations, and more.

  • 1
    Zoom Phone Reviews
    Top Pick

    Zoom Phone

    Zoom Communications

    $10.50/user/month
    2,944 Ratings
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    Zoom Phone is a cloud-based VoIP phone system designed to help businesses manage voice communications, employee collaboration, and customer calls. The platform combines business calling, SMS messaging, voicemail, video conferencing, and team chat within the Zoom Workplace environment. Users can make and receive calls through desktop applications, mobile devices, web-connected systems, and supported physical desk phones. Its call management capabilities include multi-level auto attendants, call queues, call transfers, forwarding, shared lines, and customizable business hours. Built-in AI features generate call summaries, identify action items, prioritize voicemails, and provide contextual assistance during conversations. Zoom Virtual Agent Receptionist adds conversational AI capabilities for answering business questions, booking appointments, and routing callers based on their needs. Call monitoring and reporting tools provide visibility into call volumes, usage patterns, connection quality, and employee communication activity. Zoom Phone integrates with Salesforce, Microsoft Teams, Google Workspace, and other business applications to connect calling activities with existing workflows. Its centralized administration tools support phone number management, device provisioning, user permissions, call recording policies, and communication security across distributed organizations.
  • 2
    Phonexa Reviews
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    Phonexa’s Cloud PBX offers a state-of-the-art voice communication solution tailored for contemporary marketing and operational teams. This platform features functionalities such as call recording, skill-based routing, interactive voice response (IVR) menus, voicemail systems, and detailed call logs and summary reports, all without the need for physical hardware on-site. Integrated within Phonexa’s suite of tools, the business VoIP system harmonizes with campaign processes by delivering in-depth analytics at the call level, which supports extensive lead management and pay-per-call tracking. Users have the ability to establish call groups, set allowable calling hours, manage do-not-call lists, and evaluate agent performance through call dispositions, tagging, and scoring. With Phonexa's Cloud PBX, you benefit from a cohesive and scalable voice channel that effortlessly connects to your lead distribution and conversion strategies, while also boosting agent efficiency and providing enhanced operational visibility.
  • 3
    CallTower Reviews
    Combine powerful voice enablement, contact center, productivity tools, and network support to unlock the full power of an enterprise-grade unified communication suite. CallTower delivers comprehensive UCaaS turnkey solutions. Your workforce is your greatest asset. It is essential to secure the right business communication technology that encourages pro-active collaboration. CallTower allows our customers to manage rapidly changing technologies via Connect, a user-friendly portal that was created in-house. This system is unique and allows our customers to administer services without needing to be experts in any particular technology or hire outside consultants to manage their UC solutions.
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