What is a color ring back tone?

CRBT is a service set by the called party.

CRBT (color ring back tone), also known as color ring back tone, is called CRBT (color ring back tone) color ring back tone service. It is a ring-back tone with special sound effects (music, songs, story lines, character dialogues) set by the called user for other calling users who call their own PHS phone.

In the process of telephone call, before the called party picks up the phone, the calling party will no longer hear the monotonous "beep … beep …" ringtone, but the personalized special sound effect ringback tone customized by the called party.

The CRBT tariff includes two parts. One is a fixed monthly usage fee, which is charged monthly and 6 yuan is charged monthly. If it is used for less than one month, it shall be counted as one month. When you pay for this 6 yuan (in some areas of 5 yuan, the actual situation is subject to local publicity), you will enjoy using more than 90% of the free ringtones provided by Sichuan Telecom, and there is no time limit.

The second is the ringtone information service fee, which is charged according to the ringtone information rate and the number of revisions, and settled in the current month. When you modify the ringtone, if you choose to pay the ringtone, you will pay the ringtone rate once. If you choose free ringtone, there will be no ringtone information service fee.