Alternative apps to MicroSIP:
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    142 votes
    Crystal-clear cross-platform voice communication. A gamers' favorite.
    • Freeware
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  • 4.3
    395 votes
    Skype is free and simple software that will enable you to make free calls anywhere in the world in minutes.
    • Freeware
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  • 4.2
    619 votes
    Make calls, send messages and much more - freely and securely. Viber works on most Android, iOS, and Windows 10 devices, as well as Mac and Windows computers.
    • Freeware
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  • 4.9
    10 votes
    ooVoo brings easy video chat to all platforms - our free video chat app is available to download for your computer (Mac, PC), smartphone (iOS, Android) & tablet.
    • Freeware
    • Windows/macOS/Android/iOS