How does Guangdong Unicom open CRBT?

65438+ 2. Send "kt" to 10655 158, and the communication fee is 0. 1 yuan/piece; 3. You can call 10 155 to order ringtones according to the voice prompts. At present, only users in Guangdong, Zhejiang and Anhui provinces can order. 4. Install the Wo Music client, click the Wo Music icon on the mobile phone screen, and open it according to the interface prompts; 5. You can call the home 100 10 customer service hotline to open it. Ring back tone is a personalized ring back tone service launched by China Unicom. It is a service customized by the called party, which provides a pleasant piece of music or a greeting for the calling party to replace the ordinary ring back tone.