VSee Messenger funktioniert nicht

VSee calls are secure, low bandwidth and work great on 3G, 4G and WiFi networks. • Screen Sharing: view apps and desktops shared from Mac and PC while video chatting. Pan and zoom.  VSee gives you free multi-way group video calls, screen sharing and instant messaging, with a clean and simple design.  "When visiting refugee camps in the most remote places around the world, VSee provides great audio and video every time".  VSee is built on years of experience helping people work together over video.  We field-tested our iPhone app, fine-tuning the details for a great mobile video experience.  VSee serves organizations around the world including IBM, Shell, the US Congress and hundreds of small and medium-sized businesses.  VSee also works on the Mac and PC, offering additional collaboration features like file transfer.  The same simple, secure and reliable tool we created for business is also great for personal use.  "We use video where security, performance, and ease of use are absolute requirements.  VSee is unmatched by any other tool on the market".  VSee lets me connect to my customers no matter where I am.  The video is stunning even over 3G".  "I travel 90% of the time ...  Group video calls, screen sharing and instant messaging work between Mac, iPad, iPhone, and PC.