What is the reason why the mobile phone sends a short message, prompting that the sending failed?

1, because the sim card of the mobile phone is in arrears, it is the most common situation that the SMS cannot be sent out.

2. The mobile phone information center number is set incorrectly, which is inconsistent with the actual information center number in the province.

3. Wrong mobile phone mode selection.

4. It may be the shielding caused by mobile phone antivirus software.

The short message service has been cancelled, you can go to the business hall to re-order this service.

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short message

Short message is a telecommunication service in digital mobile communication system. It is a non-real-time and non-voice data communication service to transmit text or digital short messages through the signaling channel and signaling network of mobile communication system.

SMS can be initiated by mobile communication terminals (mobile phones), SMS platform servers of mobile network operators, and network service providers (including ICP and ISP). ) interconnected with the SMS platform of mobile operators.

Although sending and receiving point-to-point messages through mobile terminals occupy the mainstream position in the technical means to realize the short message service function, fixed telephones, PHS and the Internet are becoming new tools and carriers.