Why is the SMS service of China Telecom Tianyi broadband client suspended?

Hello, first of all, thank you for your support to China Telecom. According to your description, the notice was issued on 20 13 165438:

In order to further control spam messages and create a clean and civilized SMS environment for users, according to the spirit of superiors, Tianyi broadband client SMS sending service will be closed from now on.

If you need to check the bill and pay the phone bill, please go to the online business hall of Anhui Telecom. Wish you a happy life!

I hope my answer will help you and be adopted by you!