I dialed the other party's mobile phone and said, "Sorry, the number you dialed is not answered for the time being." If I send a text message, can the other party receive it?

You can accept it, but it's his problem whether he looks at it or not. I have a way to make him not look at it, that is, flash letters! Hey hey, I wonder if yours is a smart phone? If so, download a 360 mobile phone guard with flash message function. This function is that the other party will automatically open the message after receiving it, and the receiving box will not be saved after exiting, haha! Come without a trace.