Alternatives to CSipSimple for Windows Phone with any license

  • Linphone

    Linphone is an internet phone or Voice Over IP phone (VoIP). With Linphone you can communicate freely with people over the internet, with voice, video, and text instant...

    Free Open Source Mac OS X Windows Linux Web Windows Mobile ... Android iPhone Android Tablet Windows Phone iPad Xfce

    Linphone icon
    • Open Source SIP Voip client that is actively maintained. nrg200Feb 2017 Disagree   Agree
  • Zoiper

    Zoiper IAX & SIP multilanguage and multiplatform (Windows, Linux and Mac OS X) softphone is a VoIP soft client, meant to work with any IP-based communications...

    Free Personal $ $ $ Mac OS X Windows Linux Web Android ... iPhone Windows Phone

    No features added Add a feature

    Zoiper icon
  • Nimbuzz

    Nimbuzz offers limited availablility free calls and limited availability free text messaging for users via 3G and WiFi. Calls to other Nimbuzz users are free. PAY to...

    Freemium Mac OS X Windows Web Android iPhone ... Java Mobile S60 HP webOS Blackberry Android Tablet Windows Phone iPad Chrome Kindle Fire

    Nimbuzz icon
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