Before you start using TV2TEL, please confirm that your computer can record sound, play sound and has video collection devices (so that your computer can collect image data normally), and also check that your computer has connected into internet normally, some features even need you to install a Modem.
If your computer doesn't have features described above, please contact your computer suppliers, to upgrade your computer or to do maintenance on your computer before you can use the TV2TEL system and its features.