Alternatives to Sideline for all platforms with any license

  • RingCentral

    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

    RingCentral icon
  • Mitel

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

    Free iPhone

    Mitel icon
  • Telzio

    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

    Telzio icon
  • Slingshot VoIP

    Cloud communications service provider that offers Business VoIP and Virtual PBX solutions to small and medium sized organizations.

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

    Slingshot VoIP icon
  • Zaplee

    Zaplee is a global cloud-based PBX phone system. Our system works with Skype, Google Voice, SIP, VOIP, landline and mobile phones. We can provide phone numbers in over...

    Commercial Mac OS X Windows Android iPhone Blackberry

    No features added Add a feature

    Zaplee icon
  • RingMe.io

    Ringme.io is here to revolutionize your definition of business communication. RingMe.io provides an all-inclusive package of cloud based business VoIP phone services. ...

    Commercial Web

    No features added Add a feature

    RingMe.io icon
  • Tackle

    Tackle – Phone System For Your Business. The essence of Tackle is a simple phone system that routes a 1-800 number to your phone(s) – that's it. Why Do People...

    Commercial Web

    No features added Add a feature

    Tackle icon
  • JustCall

    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

    JustCall icon
  • 8x8 Virtual Office

    Use your iPhone, iPad or iPod touch to make and receive calls using your 8x8 Virtual Office phone service. Now your 8x8 business phone extension can be truly mobile!.

    Free iPhone iPad

    No features added Add a feature

    8x8 Virtual Office icon
  • Ringio

    Ringio is a CRM-friendly phone solution for businesses that love their customers and want to improve the quality of their real-time interactions.

    Commercial Mac OS X Windows Web Android iPhone

    Ringio icon
  • Phonebooth

    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

    Phonebooth icon
    • Sideline is free. Phonebooth is an expensive paid service. Guest • Aug 2016 Disagree   Agree

Platforms

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