Specifications

Chapter 13 – Short Message Service (SMS) Commands
Multi-Tech Systems, Inc. AT Commands for EDGE Modems (S000371B) 173
<ra>
Recipient Address
GSM 03.40 TP-Recipient-Address Address-Value field in string format; BCD numbers (or GSM default alphabet
characters) are converted to characters of the currently selected TE character set (refer to command
AT+CSCS.); type of address given by <tora>.
<ref>
Reference Number
Reference number to identify all segments of the concatenated SMS (i.e., the number needs to be the same for
each segment). If <ieia>=8, then max=255; otherwise, 65535.
0...255
0...65535
<sca>
Service Center Address
GSM 04.11 RP SC address Address-Value field in string format; BCD numbers (or GSM default alphabet
characters) are converted to characters of the currently selected TE character set (refer to command AT+CSCS);
type of address given by <tosca>.
<scts>
Service Center Time Stamp
GSM 03.40 TP-Service-Center-Time-Stamp in time-string format (refer <dt>)
<seq> (DAR) new:
Sequence Number
Sequence number of the concatenated SMS beginning with 1. The number must be incremented by one for each
segment of the concatenated short message.
<seq>=0 means: ignore the value. This will result in a non-concatenated SMS.
0...255
<sn>
Serial Number
GSM 03.41 CBM Serial Number in integer format.
<st>
Status
GSM 03.40 TP-Status in integer format .
0...255
<stat>
Message status
3GPP 27.005 Interface of SMS and CB. Indicates the status of message in memory.
Description text mode (<mode>=1) PDU mode (<mode>=0) Default
Received unread messages “REC UNREAD” 0 for SMS reading commands
Received read messages “REC READ” 1
Stored unsent messages “STO UNSENT” 2 for SMS writing commands
Stored sent messages “STO SENT” 3
All messages “ALL” 4
<toda>
Type of Destination Address
GSM 04.11 TP-Destination-Address Type-of-Address octet in integer format (when first character of <da> is +
(IRA 43) default is 145, otherwise default is 129).
0...255
<tooa>
Type of Originating Address
GSM 04.11 TP-Originating-Address Type-of-Address octet in integer format (default refer <toda>).
<tora>
Type of Recipient Address
GSM 04.11 TP-Recipient-Address Type-of-Address octet in integer format (default refer <toda>).
<tosca>
Type of Service Center Address
GSM 04.11 RP SC address Type-of-Address octet in integer format (default refer <toda>).