Introduction - If you have any usage issues, please Google them yourself
CMPP provides a TCP-based connection interface long and short connection interface standard, SGIP provides a short connection interface based on standard TCP and HTTP/TCP s. The CMPP SMS Gateway is TCP server, SP initiated by receiving a TCP connection to send MT/MO/Report/Resp other news. When SGIP sent MT/MTResp is SMS gateway TCP server, sending MO/MOResp/Report/ReportResp when SMS Gateway as a TCP client.
Long connection interface
Communicating parties with client- server mode to establish a TCP connection, for the parties to submit information to each other. When there is no data transmission channel, the two sides should be changed every time a communication link C test kits sent to maintain this connection, when the link test packets sent over time T has not received a response, and then immediately send link test packets, and then It has not yet been sent after continuous N-1 times in