Westermo GDW-11 - Manual (Page 100)

100 Short Messages commands 6615-2220
+CSMP – Set Text Mode Parameters
Description:
This command is used to select a value for <vp>, <pid>, and <dcs>.
Syntax:
AT+CSMP=<fo>, <vp>, <pid>,<dcs>
Parameters:
<fo>
Byte comprises 6 different fields:
b7 b6 B5 b4 b3 b2 b1 b0
RP UDHI SRR VPF RD MTI
NOTE:
<fo> must be entered in DECIMAL format. Hexadecimal format would lead to irrelevant
result
RP: Reply Path, not used in text mode.
UDHI: User Data Header Information, b6=1 if the beginning of the User Data
field contains a Header in addition to the short message. This option
is not supported in +CSMP command, but can be used in PDU mode
(+CMGS).
SRR: Status Report Request, b5=1 if a status report is requested. This mode is
supported.
VPF: Validity Period Format
b4=0 & b3=0 <vp> field is not present
b4=1 & b3=0 <vp> field is present in relative format
Others formats (absolute & enhanced) are not supported.
RD: Reject Duplicates
b2=1 to instruct the SC to reject an SMS-SUBMIT for an SM still held in
the SC which has the same <mr> and the same <da> as the previously
submitted SM from the same <oa>.
MTI: Message Type Indicator
b1=0 & b0=0 -> SMS-DELIVER (in the direction SC to MS)
b1=0 & b0=1 -> SMS-SUBMIT (in the direction MS to SC)
<vp>
Only coded in “relative” format. The default value is 167 (24 hours). This means that one
byte can describe different values:
0 to 143 (VP + 1) x 5 minutes (up to 12 hours)
144 to 167 12 hours + ( (VP – 143) x 30 minutes )
168 to 196 (VP – 166) x 1 day
197 to 255 (VP – 192) x 1 week