3.7 Download __top__ - Zoiper

Do not install over a newer version of Zoiper. If you have Zoiper 5, uninstall it first, or install Zoiper 3.7 in a completely separate directory to avoid file conflicts.

By downloading Zoiper 3.7, you agree to our terms and conditions. Zoiper 3.7 Download

Have your SIP credentials (Username, Password, and Domain) ready from your provider to start making calls immediately. Should You Upgrade Instead? If you need end-to-end encryption (TLS/SRTP) modern dark mode Do not install over a newer version of Zoiper