SARA-R4/N4 series-AT Commands Manual
UBX-17003787 - R09

9Short Messages Service
Page 89 of 307
9.19î™–î™–î™–î™–Send concatenated message +UCMGS
+UCMGS
SARA-R410M-02B SARA-R410M-52BModules
SARA-N4
Syntax PIN required Settings saved Can be aborted Response time Error referenceAttributes
full Yes No No Up to 3 min (<1
s for prompt ">"
when present)
+CMS Error
9.19.1î™–î™–î™–î™–Description
Sends one segment of a concatenated message from a DTE to the network (SMS-SUBMIT). The message
reference value <mr> is returned to the DTE for a successful message delivery. <Ctrl-Z> indicates that the
SMS shall be sent, while <ESC> indicates aborting of the edited SMS.
The command is supported only for text mode (+CMGF=1).
The entered text is preceded by a ">" (Greater-Than sign) character, and this indicates that the interface
is in "text enter" mode. The DCD signal shall be in ON state while the text is entered.
9.19.2î™–î™–î™–î™–Syntax
Type Syntax Response Example
Set AT+UCMGS=<da>,[<toda>],<seq>,
<max>,<iei>,<ref><CR>
text is entered<Ctrl-Z/ESC>
+UCMGS: <mr>
OK
AT+UCMGS="0171112233",,1,2,0,
127<CR>
> u-blox reserves all rights to this
document and the information
contained herein. Reproduction, use
or disclosure to third parties without
express permis<Ctrl-Z>
+UCMGS:2
OK
AT+UCMGS="0171112233",,2,2,0,
127<CR>
> sion is strictly prohibited.<Ctrl-Z>
+UCMGS:3
OK
Test AT+UCMGS=? OK
9.19.3î™–î™–î™–î™–Defined values
Parameter Type Description
<da> String Destination address
<toda> Number Type of address of <da> - octet
<seq> Number Sequence number of the current short message (1-255)
<max> Number Maximum number of short messages in the concatenated short message (1-255)
<iei> Number Information Element Identifier, the possible values are the following:
• 0: Concatenated short messages, 8-bit reference number
• 8: Concatenated short messages, 16-bit reference number
<ref> Number Concatenated short message reference number:
• 0-255: Concatenated short messages, 8-bit reference number case
• 0-65535: Concatenated short messages, 16-bit reference number case
<text> String SMS String
<mr> Number Message reference