Send a short message, as can be seen from the message sent: sending suspended?

There are three possibilities in the SMS report:

1 "Send successfully" means that someone else's mobile phone has successfully received it, regardless of whether he read the text message or not.

2. "Send pending" means that someone else's mobile phone has been turned off, or the signal is not in the service area, and so on.

After the power is turned on, the "transmission delay" automatically changes to "transmission success".

3. "Sending failed" This means that the other party has stopped!

There are also mobile and China Unicom texting sessions that have been "suspended" and have not been successful.

But actually the other party has received it!

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If it is not received, it is a network problem!