Best Telephony Software for Five9

Find and compare the best Telephony software for Five9 in 2026

Use the comparison tool below to compare the top Telephony software 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
    Numeracle Reviews
    Numeracle's Entity Identity Management (EIM) platform fosters caller trust by giving users extensive control and visibility to safeguard and oversee the phone numbers associated with their identity during outgoing calls. This innovative solution not only rectifies spam and scam labels but also addresses unwarranted call blocking, enhancing call delivery metrics and ensuring that the presentation of your calls is both accurate and reliable. By implementing a compliance-focused Know Your Customer (KYC) process, Numeracle thoroughly verifies and authenticates your identity, linking it to the phone numbers utilized for outbound dialing. This verification establishes a secure identity status, which is crucial for defending your calling identity and boosting your connection rates. Furthermore, Numeracle’s number reputation management system actively works to prevent and remedy detrimental call labels that could negatively impact your phone numbers, boasting extensive coverage across leading wireless carriers and analytics partners. By registering your outbound numbers, Numeracle not only enhances the reliability of your calls but also plays a vital role in maintaining your overall communication integrity. Ultimately, this comprehensive approach ensures that your identity remains protected while enhancing your ability to reach and engage with your audience effectively.
  • 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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