SARA-R4/N4 series-AT Commands Manual
UBX-17003787 - R09
9Short Messages Service
Page 91 of 307
Parameter Type Description
<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
<index> Number Storage position
9.21More messages to send +CMMS
+CMMS
SARA-R404M SARA-R410M-01B SARA-R410M-02B SARA-R410M-52B SARA-R412MModules
SARA-N4
Syntax PIN required Settings saved Can be aborted Response time Error referenceAttributes
full Yes No No - +CMS Error
9.21.1Description
Controls the continuity of SMS relay protocol link. When enabled, multiple SMS messages can be sent much
faster as link is kept open.
9.21.2Syntax
Type Syntax Response Example
Set AT+CMMS=[<mode>] OK AT+CMMS=2
OK
Read AT+CMMS? +CMMS: <mode>
OK
+CMMS: 2
OK
Test AT+CMMS=? +CMMS: (list of supported
<mode>s)
OK
+CMMS: (0-2)
OK
9.21.3Defined values
Parameter Type Description
<mode> Number
• 0 (default value): disabled
• 1: keep enabled until the time between the response of the latest message send
command (such as +CMGS) and the next send command exceeds 5 s, then close
the link and switch <mode> automatically back to 0
• 2: keep permanently enabled. The link is closed after each send sequence, but
<mode> is not switched back to 0
9.22Sending of originating data via the control plane
+CSODCP
+CSODCP
Modules SARA-N4
Syntax PIN required Settings saved Can be aborted Response time Error referenceAttributes
full No No No - +CME Error
9.22.1Description
Transmits data over control plane from a DTE to the network. Data is identified by the local context
identification parameter <cid>. This command causes transmission of an ESM DATA TRANSPORT message
(see the 3GPP TS 24.301 [88] subclause 9.9.4.25).