Introduction - If you have any usage issues, please Google them yourself
SMS captcha, SMS notification and other functions can be implemented by this Socket client.
Note the following:
1. The server side is read in bytes, so the byte packets sent by the client are strictly in the order of the CMPP protocol, and each field is required.
2. When the actual length of each field is insufficient, use 0; After telephone number, use space to fill
When using bytebuffers, be aware of the difference between putInt () and put ()