nrf9160

Set command

The set command registers or unregisters an SMS client. Only one AT client can be registered as an SMS client. An existing registration must be released before registering a new client.

Syntax:

+CNMI=[<mode>[,<mt>[,<bm>[,<ds>]]]]
+CMS ERROR code
301 – SMS service of ME reserved.
302 – Not allowed.

The set command parameters and their defined values are the following:

<mode>
0 – Unsubscribe unsolicited result codes.
3 – Subscribe unsolicited result codes.
<mt>
0 – No received message notifications, the modem acts as an SMS client. Forces also <ds> to 0.
2 – SMS-DELIVERs (except class 2 and message waiting indication group) are routed directly to the TE using unsolicited result code +CMT: [<alpha>],<length><CR><LF><pdu>. TE needs to ACK with +CNMA.
<bm>
Ignored
<ds>
0 – No SMS-STATUS-REPORTs are routed to the TE. The only option if <mt> is set to 0.
1 – SMS-STATUS-REPORTs are routed to the TE using unsolicited result code: +CDS: <length><CR><LF><pdu>. TE needs to ACK with +CNMA.

The TE needs to handle both SMS-DELIVER and SMS-STATUS-REPORT or neither of them, <mt> and <ds> shall both be set to 0 at the same time, equals to <mode> 0.

The following command example registers as a client for mobile-terminated SMS and status reports:

AT+CNMI=3,2,0,1
OK