Copyright © Neoway Technology Co., Ltd
OK
+CUSD:1,"0031795D798F4E0B8F7D000A00325F6
94FE18D3A5361000A0033665A95F465B095FB000
A003480A1796867E58BE2000A003586816BD2000
A003675377F5153CB5F008F665E26597953BB65C
56E38000A00378BDD8D3967E58BE2000A00387F
FB9875", 72
AT+CUSD=1,"*121#",15
OK
+CUSD: 4
The operator does not
support this data service.
The module returns
+CUSD: 4.
AT+CUSD=?
+CUSD: (0-2)
OK
Query the value range of
parameters.
Query the current
parameter value.
4.3 Switching Data Mode to Command Mode: +++
To switch the module from the data mode to the command mode
Used in external protocol stacks. No return value
Return value in the transparent TCP/UDP
transmission
Return value in the server transparent transmission