Joke Collection Website - Blessing messages - How to activate the CRBT function?

How to activate the CRBT function?

1. SMS mode: edit the message "KT" and send it to "10659 100" for registration. 2.IVR mode: dial "1 18 100" through your mobile phone and register according to the prompts. 3. Website mode: log in to CRBT website for function opening. 4.Wap portal opens color ring back tone function. For more service benefits, click on "official website" customer service 222 below to answer your questions.