What is the SMS receipt service, what functions does it have, and where can I apply for it?

Hello, users of the SMS receipt service can apply through telecom customer service, telecom business hall, telecom account manager and other channels.

SMS receipt refers to a service in which customers immediately receive a receipt SMS after sending a text message using a China Telecom mobile phone. The content of the receipt includes status information and additional information indicating whether the recipient has successfully received it. The length of the additional information is limited to 44 characters (including punctuation marks), and the content involves culture and entertainment, life and health, practical knowledge, hot events and other fields.