: Zoiper offers a free version for non-commercial use that includes all essential SIP calling features.

: These downloads frequently bundle Trojans, keyloggers, or ransomware that can steal your personal data or lock your files.

: For advanced features like encryption (TLS/SRTP), call transfer, and ad-removal, you can purchase a legitimate license directly from the official Zoiper website .

If you are looking for a reliable way to use Zoiper, it is highly recommended to use the official versions:

: Since Zoiper is used for communication, a compromised version could allow hackers to intercept your calls, listen to voicemails, or access your contact list.