Syntax, Parameters and values, Notes – Synaccess Networks NP-0801DTM User Manual
Page 131: Examples

3GPP TS 27.005 AT COMMANDS FOR SMS AND CBS
131
HSPA+ AT Commands Reference Guide
Syntax
Command
Command type
AT+CNMA
Execute
AT+CNMA[= Execute AT+CNMA Execute AT+CNMA=? Test AT+CNMA=? Test Parameters and Values For PDU mode, type of acknowledgement. 0 Send RP‐ACK without PDU (same as TEXT mode). 1 Send RP‐ACK with optional PDU message. 2 Send RP‐ERROR with optional PDU message. Length of the PDU message. Notes If a directly routed message must be buffered in ME/TA (possible when +CNMI parameter You may need to resolve an incoherence problem, due to the fact that it is possible to have contemporaneous Reference 3GPP TS 27.005. Examples (PDU Mode) AT+CSMS=1 +CSMS: 1,1,1 OK Set PDU mode. AT+CMGF=0 OK AT+CNMI=2,2,0,0,0 OK
PDU mode
Test mode
PDU mode
Text mode
or AT interpreter remains too long in a state where result codes cannot be sent to TE (for example user is
entering a message using +CMGS), acknowledgement (RP‐ACK) is sent to the network without waiting +CNMA
command from TE.
different settings of parameter
+CMUX. Only the
acknowledgment is expected or not.