MTCMR-G-F4 Multi-Tech Systems, MTCMR-G-F4 Datasheet - Page 63

• Manufacturer Part Number: MTCMR-G-F4
• Description: MODEM GPRS QUAD BAND GSM GLOBAL
• Manufacturer: Multi-Tech Systems
• Series: MultiModem® iCellr

Specifications of MTCMR-G-F4

• Frequency: 850MHz, 900MHz, 1.8GHz, 1.9GHz
• Applications: General Purpose
• Interface: RS-232, USB
• Function: Transceiver, Modem
• Data Rate - Maximum: 115.2kbps
• Modulation Or Protocol: GSM, GPRS
• Voltage - Supply: 9 V ~ 32 V
• Package / Case: Module with Case
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -
• Power - Output: -
• Sensitivity: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 881-1151; MTCMR-G-F4

Preferred Message Storage +CPMS
Multi-Tech Systems, Inc. GPRS AT Commands Reference Guide (Document Number S000293J)
Description:
Values:
Syntax:
This command allows the message storage area to be selected (for reading, writing, etc).
<mem1>:
<mem2>:
<mem3>:
If the command is correct, the following message indication is sent:
When <mem1> is selected, all following +CMGL, +CMGR and +CMGD commands are related to the
type of SMS stored in this memory.
The maximum number of SMS is Flash is 99.
When the modem is switched on, <mem1>,<mem2>, and <mem3> are initialized to SM.
Command Syntax: AT+CPMS=<mem1>,[<mem2>],[<mem3>]
Command
AT+CPMS=?
Note: Possible message storages
AT+CPMS?
Note: Read
AT+CPMS= “SM”,”ME”,“SM”
Note: Select SM for reading, ME
for writing and SM for storing
AT+CPMS=”AM”
Note: Select false message storage
AT+CPMS=”BM”
Note: Select CBM message storage
AT+CPMS?
Note: Read
AT+CPMS= “ME”,”ME”,“ME”
Note: Select ME for reading, ME
for writing and ME for storing
AT+CPMS?
Note: Read
AT+CPMS= “AM”
Note: Select wrong message
storage
SM
ME
BM
SR
SM
ME
SM
ME
+CPMS: <used1>,<total1>,<used2>,<total2>,<used3>,<total3>
SMS message storage in SIM (default)
SMS message storage in SIM (default)
Memory used to list, read and delete messages. It can be:
SMS message storage in SIM (default)
SMS message storage in Flash
CBM message storage (in volatile memory).
Status Report message storage (in SIM if the EF-SMR file exists, otherwise in the ME non
volatile memory)
Note:
even after a reset, while the same SIM card is used.
Memory used to write and send messages
SMS message storage in Flash
Memory to which received SMS are preferred to be stored
SMS message storage in Flash
SR ME non-volatile memory is cleared when another SIM card is inserted. It is kept,
Possible responses
+CPMS: ((“SM”,”ME”,”BM”,”SR”),(“SM”,”ME”),(“SM”,”ME”))
OK
Note: Read, list, delete: SMS or SMS Status Report
Write, send: SMS
+CPMS: “SM”,3, 10,”SM”,3,10,”SM”,3,10
OK
Note: Read, write…SMS from/to SIM
3 SMS are stored in SIM. 10 is the total memory available in SIM
+CPMS: 3,10,3,99,3,10
OK
+CMS ERROR: 302
+CPMS: 2,20,3,10
OK
Note: Read, list, delete CBM from RAM 2 CBM are stored in RAM
+CPMS: “SM”,3,10,”ME”,3,99,“SM”,3,10,
OK
Note: Read, store...SMS from/to flash, write SMS to flash. 3SMS
are stored in flash. 99 is the total memory available in flash
CMTI: “SM”,4
+CPMS: 3,99,3,99,3,99
OK
+CPMS: “ME”,3,99,”ME”,3,99,”ME”,3,99
OK
Note: Read, write, store SMS from/to flash. 3 SMS are stored in
flash. 99 is the total memory available in flash
CMTI: “ME”,4
Note: Receive an SMS stored in flash at location 4
+CMS ERROR: 302
Chapter 9 – Short Messages Commands
63