Westermo GD-01 - Manual (Page 56)

56 6196-2220
Example of acknowledgement of a new message in PDU mode:
Command example Possible responses Note
AT+CMGF=0 OK Set PDU mode
+CMT: Message received
,2907913366003000F
1240B913366920547F3000
0003003419404800B50621
5D42ECFE7E17319
AT+CNMA=2,<length><CR> OK Negative acknowledge-
...Pdu message...<Ctrl-Z/ESC> ment for the message.
Send a negative
acknowledgement to the
network (RP-ERROR)
with PDU message
(<ackpdu> format).
Defined values:
<n>: Type of acknowledgement in PDU mode
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>:
Length of the PDU message
B A C K