Zoiper Free 3.15 provides:
The "Free" edition includes ads in the dialer interface and lacks certain Pro features (call recording, transfer, advanced codecs, multi-line support).
Zoiper 3.15 is battle-tested.
Users currently on Zoiper Free 3.15 should consider upgrading to:
| Feature | Zoiper Free 3.15 | Zoiper 5 Free (Current) | |---------|----------------|--------------------------| | TLS 1.3 | ❌ | ✅ | | Opus codec | ❌ | ✅ | | Windows 11 support | Partial | ✅ | | Modern UI scaling | ❌ | ✅ | | Ongoing security updates | ❌ | ✅ | zoiper-free-3.15-setup.exe
Download the latest version from the official website: https://zoiper.com
When executed, the installer typically:
Note: Uninstalling via
Add/Remove Programsgenerally removes all components, but manual cleanup of%APPDATA%\Zoipermay be needed for residual settings.
Zoiper 3.15 includes several audio codecs to balance voice quality and bandwidth usage, including: Zoiper Free 3