Alternatives to Slingshot VoIP for all platforms with any license


Show 14 less popular platforms
  • Line2 icon


    Line2 is a VoIP phone service that lets you call & text from a separate phone number via WiFi or 3G/4G/LTE. At a small premium, Text & call ANYONE in the...

    Commercial Mac OS X Windows Android iPhone Android Tablet ... iPad Apple Watch Kindle Fire

  • RingCentral icon


    RingCentral delivers high quality, reliability and value that's expected by enterprise businesses through RingCentral Office, an all-inclusive cloud phone system...

    Commercial Mac OS X Windows Android iPhone

  • YouMail icon


    YouMail turns visual voicemail into a personal assistant for handling all your missed calls. And it's FREE! Join millions of other happy users. KEY FEATURES ...

    Freemium Web Android iPhone Android Tablet iPad

  • Vumber icon


    Setting up a Vumber is as easy as 1-2-3. Numbers are available immediately and you will be up and running in minutes. choose a phone number - local or toll freeadd...

    Commercial Web

  • Mitel icon


    Robust Integrated Solutions Business Phones: Integrated business communications platforms Contact Center: Optimize your call center operations Cloud: Flexible...

  • Phonebooth icon


    Phonebooth is a web-based phone system that routes your calls to any landline or mobile phone number you choose. Users receive a free local phone number to give out to...

    Commercial Web

    No features added Add a feature
  • Truly Wireless icon

    Truly Wireless

    Truly Wireless is the most advanced, feature packed and reliable mobile business phone system available.

    Commercial Mac OS X Windows Web Android iPhone

    No features added Add a feature
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  • JustCall icon


    Justcall helps businesses to get multiple virtual numbers in 58 countries and let you make, receive, track and record calls from web or your mobile phone. Features like...

    Commercial Mac OS X Windows Web Android iPhone ... Chrome OS iPad

  • Telzio icon


    Telzio is the most flexible and easy-to-use business phone system in the world, with full PBX features, mobile integration, and web management capabilities. Telzio is...

    Commercial $ $ $ Mac OS X Windows Linux Web Android ... iPhone Windows RT Android Tablet Windows Phone iPad

  • Anello Voice icon

    Anello Voice

    Anello Voice offers telecom services. With Anello Voice, you won't be tethered to a traditional landline phone. Wherever you go, your phone number follows.

    Commercial Web

    No features added Add a feature

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