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What is SMS protocol?
SMS (Short Message Service) is a short message service.
SMS protocol is a kind of short message protocol. At present, SMS protocols include SMS, EMS and MMS.
SMS, short message service is the earliest short message service, and it is also the most popular short message service now. Through it, mobile phones can send and receive short messages to each other, and the content is mainly text, numbers or binary non-text data. At present, the length of this short message is limited to 140 bytes. Short message has been welcomed by many users because of its simple and convenient use function, and it has spread rapidly. However, it is always the first generation wireless data service, which is limited by technical standards in content and application.
For reference only.
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