What is the short message service of Guizhou Telecom?

"On-hook SMS" service is the active push service of enterprise advertising SMS. After the fixed line applies for this service, users can log on to the on-hook SMS platform to set up advertising SMS. When the other party dials the fixed line, it can send different advertisement short messages according to the previous connection status (including connected, unanswered, busy, etc.). The customer service will answer your questions on the 8th. Call charges, traffic, points, you can pay attention to the official account of WeChat, China Telecom Guizhou Customer Service.