Has anyone used the "1 # copy" function of CRBT?

The function of "1# copy" of CRBT refers to the function that users who have opened the CRBT service can copy the ringtone to their personal ringtone library and set it as the default ringtone if they like the ringtone of the other party during the call. Users can do it through SMS, music-loving official website1181101,or through the number 10000 and the business hall. Description of CRBT "1# Copy" function: 1. Conditions for ringtones that can be copied: 1) The copied ringtones can only be ordinary ringtones with a validity of more than 30 days. System default ring tones, ringing tones, hidden ring tones and enterprise ring tones (group ring tones and business ring tones) cannot be copied. 2) Allow users to copy the ringtones and singles in the music box. 2. Some ringtones will reproduce the prompt sound around 15 seconds. If there is no prompt tone, you can also press "1#" to copy while listening to CRBT. For more service benefits, click on "official website" customer service 222 below to answer your questions.