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Chapter 9 – Short Messages Commands
Multi-Tech Systems, Inc. Wireless GSM/GPRS AT Commands (Document Number S000293I) 60
Chapter 9 – Short Messages
Parameters Definition
<da> Destination Address, coded according to the GSM Technical Specification 03.40 TP-DA
<dcs> Data Coding Scheme, coded according to document [5]
<dt> Discharge Time in string format:
“yy/MM/dd,hh:mm:ss±zz”(Year [00-99], Month [01-12],
Day [01-31], Hour, Minute, Second and Time Zone [quarters of an hour] )
<fo> First Byte, coded according to SMS-SUBMIT first byte in document [4], default value is 17 for SMS-
SUBMIT
<index> Place of storage in memory
<length> Text mode (+CMGF=1): number of characters PDU mode (+CMGF=0): length of the TP data unit in
bytes
<mem1> Memory used to list, read and delete messages (+CMGL, +CMGR and +CMGD)
<mem2> Memory used to write and send messages (+CMGW, +CMSS)
<mem3> Preferred memory to which received SMS are to be stored
<mid> CBM Message Identifier
<mr> Message Reference
<oa> Originator Address
<pid> Protocol Identifier
<pdu> For SMS: GSM 04.11 SC address followed by GSM Technical Specification 03.40 TPDU in
hexadecimal format, coded as specified in doc [4] For CBS: GSM Technical Specification 03.41 TPDU
in hexadecimal format
<ra> Recipient Address
<sca> Service Center Address
<scts> Service Center Time Stamp in string format: “yy/MM/dd,hh:mm:ss±zz”
(Year/Month/Day,Hour:Min:Seconds±TimeZone)
<sn> CBM Serial Number
<st> Status of a SMS-STATUS-REPORT
<stat> Status of message in memory
<tooa> Type-of-Address of <oa>
<tora> Type-of-Address of <ra>
<tosca> Type-of-Address of <sca>
<total1> Number of locations for messages in <mem1>
<total2> Number of locations for messages in <mem2>
<total3> Number of locations for messages in <mem3>
<used1> Total number of messages in <mem1>
<used2> Total number of messages in <mem2>
<used3> Total number of messages in <mem3>
<vp> Validity Period of the short message, default value is 167