What's the difference between CRBT and MMS?

1, CRBT service is a service customized by the called customer, which provides a pleasant piece of music or a greeting for the calling customer instead of the ordinary "beep" ... "Ring back tone".

2. The English name of MMS is MMS, which is the abbreviation of multimedia messaging service, meaning multimedia messaging service, and is often called MMS. Its biggest feature is that it supports multimedia functions and can transmit comprehensive content and information, including text, images, sounds, data and other multimedia formats.

3. The difference between 3.CRBT and MMS is obvious. CRBT is a ringtone service, while MMS is an information service including text, image, sound, data and other multimedia formats.