What's the matter with missing text messages?

1. SMS is not a real-time service, and its sending success rate cannot reach 100%. The missed receipt of SMS may be caused by a variety of reasons. For example, SMS Center (Service Provider If you happen to be in a place with poor signal when sending you a text message, then the text message will not be delivered successfully the first time, and then it will enter the resend mechanism of the text message center, that is to say The SMS center will send you another text message every once in a while. If it fails and the validity period of the text message expires, it will not send it again. In fact, this is just an example. Because a text message you receive, It may be sent through multiple levels of equipment, including SMS centers, SMS gateways, etc., so it is normal for SMS messages to be occasionally missed.

2. It is also normal for occasional failure to receive delivery reports after sending text messages. , this situation may also occur if your mobile phone terminal and wireless side do not cooperate well. Even if you receive a status report that the message was successfully sent, it may not be possible for the other party to receive the text message. The status report you receive only indicates that your text message has been submitted, but it is still not certain that it will be sent to the other party in the end.