X4 simplifies team communication and optimally supports teams in their daily collaboration. X4Meet is ideal for instant meetings with HD audio and delay-free, high-resolution video quality with screen sharing, whiteboard, live streaming with up to 100 participants. In addition, use X4Class for training courses, further education and events for up to 1000 participants. X4Messenger for smartphones, PCs and browsers offers comprehensive chat, telephony and secure data exchange. The integration of telephone systems as well as the invitation of external participants without an account are supported.