Telit Wireless Solutions LE910C series At Commands Reference Guide

LE910Cx AT Commands Reference Guide
80502ST10950A Rev. 14 Page 638 of 1904 2022-03-04
Not Subject to NDA
AT+CNMA[=<n>[,<length>[<CR>PDU is given<ctrl-Z/ESC>]]]
Either positive (RP-ACK) or negative (RP-ERROR)
acknowledgement to the network is possible. Parameter <n>
defines which one will be sent. Optionally (when <length> is
greater than zero) an acknowledgement TPDU (SMS-DELIVER-
REPORT for RP-ACK or RP-ERROR) may be sent to the network.
The entering of PDU is done similarly as specified in command
Send Message +CMGS, except that the SMSC address field is not
present.
Name
Type
Default
Description
<n>
integer
N/A
type of acknowledgement in PDU
mode
Values:
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>
integer
-
length of the PDU message
Text Mode
AT+CNMA
Only positive acknowledgement to network (RP-ACK) is possible.
AT+CNMA=?
Test command returned information are different between SMS PDU
Mode and SMS Text Mode, as explained below.

Telit Wireless Solutions LE910C series Specifications

General

Brand	Telit Wireless Solutions
Model	LE910C series
Category	Wireless modules
Language	English