SIM7600CE技术支持TCPIP文档

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2. SIMCom Internal TCP/IP Protocol
2.1 Network Environment
TCP/IP application is based on GPRS network; so, ensure GPRS network is available before
TCP/IP setup. Following is the recommended steps.
AT+CSQ
+CSQ: 23,0
OK
AT+CREG?
+CREG: 0,1
OK
AT+CGREG?
+CGREG: 0,1
OK
2.2 PDP Context Enable/Disable
APN setting：
AT+CGSOCKCONT=1,"IP","CMNET"
OK
AT+CSOCKSETPN=1
OK
Note, usually CSOCKAUTH and CSOCKSETPN parameter are kept default if not care about.
Enable PDP context:
AT+CIPMODE=0 // command mode, if not configured, it is 0 by default. If customers want
data mode, please configure before Net open.
OK
AT+NETOPEN