CRBT (Color Ring Back Tone) is the abbreviation of "Personalized Multicolored Ring Back Tone Service", which is a service that called customers set special sound effects (music, songs, story lines, conversations between people) for other calling customers who call their mobile phones.

Ringtone is the sound that a mobile phone makes when it is called. There are usually three kinds of ringtones: real ringtones, special effects ringtones and funny ringtones. The formats are MP3, waw, mmf, midi, etc. With the support of mobile phone manufacturers, different types of contacts can set different ringtones for them to distinguish.

Color ring advertisement

Use color ring tones to promote, that is, the propaganda function of color ring tones.

Promote corporate culture, product information, business consultation, personality spirit, etc. For the called party (the color ring back tone setter), this behavior actually gives the color ring back tone propaganda function and function. A simpler understanding: when CRBT is used as a propaganda carrier, the role of CRBT is tantamount to "CRBT flying man".

The color ring back tone set by China Telecom 10 is a typical business consultation and publicity. When you dial 10000, a voice will come from the microphone: "Dear E customers, welcome to China Telecom. Please press 1 for business consultation, 2 for obstacle declaration, 3 for complaint suggestion and 7 "for mobile business.

Similarly, the color ring back tone set by knowledgeable person at 1 14 not only promotes business consultation, but also promotes business information. While telling you to press XXX to get XXX service, I want to tell you that knowledgeable person has hotel reservation and air ticket reservation services.