What is the telecom color ring service?

Hello, telecom users can edit the short message KT and send it to 1 18 100, and then follow the prompts to open the CRBT service. They can also log in to Ai Le official website and Ai Le official website to open the CRBT service.

1. Turn on the Telecom Philharmonic official website, and then click on CRBT.

2. Then enter your mobile phone number and the received verification code, and you can start the CRBT service.