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Natterbox Alternatives

The best Natterbox alternatives based on verified products, community votes, reviews and other factors.
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  1. 29

    An open source telephony switching and private branch exchange service for Linux.

  2. 27

    The UCaaS Platform Built for MSPs​

  3. Featured

    VoIPstudio is an award-winning VoIP system that offers businesses of all sizes a scalable communication solution. It’s inexpensive, easy-to-use, offers a full suite of PBX features, and is fully integrated for CRM.

    Try for free paid Free Trial $4.99 / Monthly (User)

  4. 25

    FreeSWITCH is an open-source media application designed to support popular protools such as SIP and WebRTC and provides a platform to develop voice and video applications.

  5. 29

    Social & Communications and Development

  6. 26

    FusionPBX is an open source FreeSWITCH GUI.

  7. 26

    Kamailio® (successor of former OpenSER and SER) is an open source SIP server released under...

  8. 27

    XiVO, première solution de téléphonie d'entreprise ToIP Open Source. TPE/PME Grande Entreprise / Centre de contact / Secteur Public. Contact: 04 37 49 78 10

  9. 28

    VoipSwitch provides complete VoIP and unified communications solutions.

  10. 27

    A SIP based implementation of a PBX / unified communications system.

  11. 26

    sipXcom open source unified communications software is the standard for enterprise voice solutions. Voice, chat, IVR, presence and more in one application.

  12. 25

    Thirdlane Multi Tenant PBX - multi-tenant PBX software for Internet Telephony Service Providers.

  13. 26

    Ozeki Phone System XE is a Software PBX telephony platform for Windows.

  14. 24

    Incredible PBX is a secure and feature-rich implementation of the Asterisk® PBX.

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Author: | Publisher: SaaSHub
Categories: Communication, VoIP, Enterprise Communication


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