1. Log in to Unicom Wo Music Website/,click on your account at the portrait in the upper right corner of the homepage, go to User Center > Business Management > Ring Library, and click "Unsubscribe Ring Service" at the bottom of the page. 2. You can send xlzx to 10655 158 to cancel the ringing function, and the communication fee is 0. 1 yuan/article; 3. You can call 100 10 customer service hotline to unsubscribe. 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.