You can set up China Telecom's CRBT by yourself online. The premise is to activate China Telecom's CRBT service first. You can directly call Telecom's customer service to activate it. Here is how to change the CRBT by yourself:

< p>China Telecom has a special website for ring tones called China Telecom Love Music. Open Baidu and enter China Telecom Love Music, and then enter the official website of China Telecom Love Music.

After entering, click Login, and then log in with your own telecommunications number

After successfully logging in, go to the home page and select your favorite song to set, such as the picture below

Then enter On the song ordering special page, fill in the corresponding information to successfully order telecom ring tones, as shown in the figure: