AT Commands Reference Manual - wireless netcontrol GmbH

Chapter 3: AT Commands Reference
Reading SM
Any value is accepted when receiving an SM.
When reading a SM with unsupported the message header will be passed as usual. The
DATA will be output in "HEX" format.
According to the GSM 03.38, Any reserved codings shall be assumed to be the GSM default
alphabet (the same as DCS value 0x00) by a receiving entity. Handling will be as shown in
Table 3-75.
Table 3-75 shows the conversion between the and +CSCS setting when reading SM.
Table 3-75: field and +CSCS settings conversion when reading SM
CASE field User-Data-Header
Current TE
character set
Action
A Default alphabet Not Set All H24 converts GSM alphabet
into current TE character set
according to rules of
GSM07.05, Annex A
B Default alphabet Set All H24 converts each 8-bit from
TP-UD, encoded in GSM
alphabet into two IRA
character long hexadecimal
number
C 8-bit or UCS2 All All H24 converts each 8-bit octet
into two IRA character long
hexadecimal number
Examples:
### Store in TEXT mode SMS encoded in default alphabet with UDHI set.
### Character set is IRA.
AT+CMGF=1
OK
AT+CSMP=81,167,0,0
OK
AT+CMGW="0544565803"
> 050003090301123456786543
+CMGW: 222
OK
AT+CMGR=222
+CMGR: "STO UNSENT","0544565803",
050003090301123456786543
OK
AT+CMGF=0
OK
AT+CMGR=222
+CMGR: 2,,25
07917952140230F251000A8150446585300000A70D050003090301123456786543
OK
April 15, 2010 H24 - AT Commands Reference Manual 3-121