What is value-added service

If it is a Unicom card, value-added service is a comprehensive service integrating voice, picture, text, etc. The content is colorful and wide-ranging, and it is an integrator of multiple services, providing a series of business combinations and bringing you a brand-new experience. Common value-added services include WoMusic-related services (e.g. Dazzling Bell, Cool Dog Music Directional Traffic Pack, etc.), WoTV-related services (e.g. WoVideo, Youku Video Directional Traffic Pack, etc.), and functional value-added services (e.g. Caller Manager, School Messenger, etc.).