Alternatives to Siphon SIP for all platforms with any license





Web / Online


Indie / Classic

Other Platforms

  • Signal icon


    TextSecure and RedPhone have been merged to create Signal! Using Signal, you can communicate instantly while avoiding SMS fees...

    Open Source Mac Windows Linux Android iPhone Chrome

  • Linphone icon


    Linphone is an internet phone or Voice Over IP phone (VoIP). With Linphone you can communicate freely with people over the internet...

    Open Source Mac Windows Linux Web / Cloud Windows Mobile Android ... iPhone Android Tablet Windows Phone iPad Xfce

  • Talkonaut icon


    Talkonaut is a free Jabber (XMPP) client for your iPhone or iPod with free peer-to-peer voice calling over Jingle Audio extension...

    Free Windows Android iPhone S60 iPad

  • Silent Phone icon

    Silent Phone

    Silent Phone – Secure Encrypted Video & Voice Mobile Phone Calls You now have the ability to have secure encrypted phone calls...

    Commercial Android iPhone Android Tablet iPad

  • CallProtector icon


    Encrypted secure Calls with CallProtector! App available on iOS & Android With CallProtector you can call others in a secure...

    Free Android iPhone

Siphon SIP Comments

Echo echo ... Feels empty in here

Maybe you want to be the first to submit a comment about Siphon SIP ? Just click the button up to your right!