China Unicom’s ring tones are Xuanling, and the monthly function fee is 5 yuan. After the called customer activates this service, when the calling customer dials the user's mobile phone and waits to be connected, what he hears is no longer the "beep...beep..." ringback tone, but the ringback tone provided to the calling customer. A piece of sweet music or a greeting to replace the normal ringback tone. You can order Xuanling songs through the following methods: 1. Set up Xuanling via SMS: send "new" to 10655158 to get the "Xuanling New Song List"; send "bd" to 10655158 to get the "Xuanling Popularity List"; send any "song name" Or "singer name" to 10655158 to get the ringtone content; send "BZ or H" to 10655158 for help information. Click the query result and reply serial number to customize it and set it as the default ringtone. The communication fee for sending the above text messages is 0.1 yuan/message; 2. Online changes on the computer: Visit the Wo Music website on your computer, and then select the ringtone. After selecting the song you like, customize it. After the customization is successful, you can go to Personal Center > Ringtone Management ＞Xuanling Library＞For the Xuanling single you ordered, click Settings and follow the page prompts to set the playback order of the Xuanling songs. 3. Changes to the mobile Internet and APP: (1) After activating the ringback service, visit the website on your mobile phone and select songs; (2) Install the Wo Music client, click the Wo Music icon on the phone screen, and follow the interface prompts to order the ringback songs. After successfully ordering and deducting the fee, you can use the ringtone song. 4. You can dial 10155 and follow the voice prompts to set up the ringtone. Currently, only users in Guangdong, Zhejiang, and Anhui can order, and other provinces will gradually open it