Features * 1-to-1 audio and video calls * Encrypted end-to-end messaging * Encrypted end-to-end file transfers * Synchronization of multiple devices * Multiparty conferencing * Call history entries management * Native address book lookup * Native OS telephony integration * Support for multiple devices in parallel * Support for multiple cameras * Support for landscape and portrait modes * Support for tablets and phones * Interoperable with SIP clients * Receive calls from the web * Support for