Welcome to our Knowledge Base Search Search Getting started Desktop app How to start working with your Desktop App Login screen on Desktop User interface in Desktop app Sharing messages in Desktop app Creating Conference calls in Desktop app Android app How to start working with your mobile App on Android Manual entering of authentication credentials on Android Log in using a QR code on Android Working with messages on Android Working with a contact on Android iOS app How to start working with your mobile App on iOS User Interface Overview in iOS app User presence statuses in iOS app Sending messages and media in iOS Working with messages in iOS app