What's the difference between SMS and MMS?

The Chinese name of sms is short message service, which is a store-and-forward service. In other words, short messages are not sent directly from the sender to the receiver, but are always forwarded through the short message service center. If the recipient is disconnected (the phone may be turned off), the message will be sent when the recipient connects again.

MMS is the abbreviation of English, which can be the abbreviation of membership management system, and the Chinese translation is membership management system. It can also be the abbreviation of multimedia messaging service, which is translated into MMS in Chinese.

2. Different content abilities.

SMS can only send and receive text messages, and each message can only carry 140 bytes of character information or 70 Chinese characters.

The message size of MMS has exceeded the limit of 140 bytes. From tens of kilobytes to hundreds of kilobytes, users can express their ideas almost completely, regardless of the amount of information. MMS can support a variety of data formats, including major graphics, image sound and animation format standards.

3. Different network bearing modes.

SMS is a signaling channel using GSM. Due to the limited transmission capacity of signaling channel, it is impossible for SMS to transmit a large amount of data, so the application based on SMS cannot be carried out at will. Must be an application with little data.

MMS supports bearer modes based on GSM, GPRS, WCDMA and CDMA2000, and will support more 4G in the future. LTE network bearer mode.