Joke Collection Website - Public benefit messages - Using java to send short messages, I want to know several ways, their advantages and disadvantages, and ask prawns for advice.
Using java to send short messages, I want to know several ways, their advantages and disadvantages, and ask prawns for advice.
Advantages: easy development, unlimited quantity and low price.
Disadvantages SMS is sometimes seriously delayed, and some SMS messages are lost after being sent.
It can also be sent through GSMmodem or GMS cat pool, and the principle is the same as that of SMS. If you buy a cat or a cat pool, people will give you interface documents, and the rest will be developed by yourself. This method needs to know more. Including communication between java and hardware.
Advantages SMS will arrive soon, and SMS will generally not be lost.
Shortcomings are more troublesome to develop. Operators have restrictions on the number of transmissions (if it exceeds a certain number, it will not be sent), and the price is higher.
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- How to hack each other's short messages
1, open the message first, as shown in the figure:
2. Then click the contact photo you want to blacken, as shown in the figure:
3. Enter the c