On the problem of receiving short messages by mobile phones.

First of all, briefly explain a few points:

1. Long and short messages are transmitted in separate messages, each message is 70 Chinese characters or 160 English.

2. Send a long message, and the phone will be divided and numbered. For example, the first one is 1. 1, and the second one is 1.2. After receiving these two short messages, the mobile phone can combine them into a long short message according to the number, and the whole network is only responsible for sending each short message without any additional processing.

Generally speaking, mobile phones support the combination of number and short message. Therefore, whether you can receive long short messages mainly depends on whether the sender (note: not necessarily a mobile phone) divides and numbers long short messages according to the short message specification. For example, the business information received from China Mobile or China Unicom is usually divided into sections, which is the reason.

So according to the landlord's situation, a simple test method is given:

Send yourself a long message. If you receive one, it's not your mobile phone. See if the other party uses any texting software.