Ublox SARA-R4 Series - 9.2 Select message service +CSMS

SARA-R4/N4 series-AT Commands Manual
UBX-17003787 - R09
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9Short Messages Service
Page 66 of 307
9Short Messages Service
9.1Introduction
For a complete overview of SMS, see 3GPP TS 23.040 [8] and 3GPP TS 27.005 [16].
In case of errors all the SMS related AT commands return an error result code as defined in Appendix A.2.
9.1.1Class 0 SMS
The storing of a class 0 SMS depends on the module series:
• SARA-R4 / SARA-N4 - not stored.
9.1.2<index> parameter range
The <index> parameter range depends on the memory storage type:
ME (ME message), SM ((U)SIM message) MT (ME + SM):
• SARA-R4 / SARA-N4
o Values between 0 and 23: SMS stored in ME.
o Values between 0 and n: SMS stored in SIM (n depends on SIM card used).
BM (Broadcast Message):
• SARA-R4 / SARA-N4 - Broadcast Message storage is not supported.
SR (Status Report)
• SARA-R4 / SARA-N4 - Status Report storage is not supported.
9.1.3Limitations
The following limitations apply related to the SMS usage:
Single SMS
• 160 characters if <dcs>= "GSM 7 bit default alphabet data"
• 140 octets if <dcs>= "8-bit data"
• 70 UCS2 characters (2 bytes for each one) if <dcs>="16-bit uncompressed UCS2 data"
Concatenated SMS (where supported) - "8-bit reference number" type
• 153 characters if <dcs>= "GSM 7 bit default alphabet data"
• 134 octets if <dcs>= "8-bit data"
• 67 UCS2 characters (2 bytes for each one) if <dcs>="16-bit uncompressed UCS2 data"
Concatenated SMS (where supported) - "16-bit reference number" type
• The limits are the same as the "8-bit reference number" type, but are decreased by one unit.
A concatenated SMS can have as many as 255 parts.
9.2Select message service +CSMS
+CSMS
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
9.2.1Description
Selects the <service> message service. It returns the types of messages supported by the MT.