NB-IoT Module Series
BC95 AT Commands Manual
BC95_AT_Commands_Manual Confidential / Released 55 / 58
OK
AT+CGATT?
//Query whether network is activated, +CGATT:1 means
activated successfully. And wait for some time.
+CGATT:1
OK
AT+CEREG?
//Query current EPS network registration status: Registered.
+CEREG:0,1
OK
AT+CSCON?
//Query the signaling connection status, 1 means CONNECT, 0
means IDLE.
+CSCON:0,1
OK
7.2. CoAP Messages
The following is a simple example of sending, receiving and reading a CoAP message.
AT+NCDP=192.53.100.53
//Configuration CDP server. This command must be
executed after executing AT+CFUN=0.
OK
AT+NCDP?
//Query CDP server
+NCDP:192.53.100.53,5683
OK
AT+NSMI=1
//Turn on the sent message indications.
OK
AT+NNMI=2
//Turn on the new message indications when a
downstream message is received by the terminal from
the CDP server.
OK
AT+NMGS=10, AA7232088D0320623399
//Send messages.
OK
+NSMI:SENT
//Message is sent.
AT+NQMGS
//Query whether messages is sent successfully.
PENDING=0,SEND=1,ERROR=0
OK
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