Does anyone know how much charity messages can be donated at a time?

"Poverty Alleviation" charity SMS donation business is a charity SMS product jointly developed by Poverty Alleviation Foundation and China Telecom Branch. The charity SMS interface is provided by the Foundation for Poverty Alleviation. Telecom's mobile phone customers can send short messages to this short message interface for small charitable donations, and all the funds raised will be used for poverty alleviation and development in poverty-stricken areas. Tianyi mobile phone customers can write the numbers "2", "5" or "10" and send a short message to 10639979. Each time, they can donate 2 yuan, 5 yuan or 10 yuan to the charity account of the Foundation for Poverty Alleviation. 1, SMS port number: 10639979. 2. Customer service telephone number: 020-876680 10 is not required. Tianyi mobile phone users can directly write the numbers "2", "5" or "10" and send a short message to 10639979, so that they can donate 2 yuan, 5 yuan or 10 yuan every time. For more service offers, click on "official website" Customer Service 2 1 below to answer your questions.