Military-grade encryption (TLS, SRTP, ZRTP) and high-efficiency audio/video codecs (G.729, H.264) for clear calls on low bandwidth. Obtaining and Using Your License
Upon purchasing, a username and a system-generated password are sent via email (sender: shop@zoiper.com). Activating Zoiper 5 PRO Launch: Start Zoiper 5. zoiper 5 pro license key
Includes G.729 encryption and high-definition audio support. Military-grade encryption (TLS