How to close Jiangsu Mobile's ring back tone service

Opening and closing the ring-back tone service:

(1) Business hall: Users can apply for opening or canceling the ring-back tone service at the mobile business hall with the valid ID of the machine owner or valid service password.

(2) Short message: To activate the ring tone: edit CLK and send it to 01866; to turn off the ring tone: edit the CLG and send it to 01866.

(3) Website method: Users can go to the company portal: www.js.chinamobile.com (online business hall) or the ring back tones website address: to activate/deactivate the ring back tones business.

(4) 1860: By dialing 1860 from the user's mobile phone, the service can be switched on and off through automatic voice process or manual method.