BGS2T AT Command Set
13. Short Message Service (SMS) Commands
BGS2T_ATC_V01.301 Page 369 of 554 1/31/12
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13. Short Message Service (SMS) Commands
The AT Commands described in this chapter allow an external application to use the Short Message Service with
the BGS2T.
13.1 SMS Parameters
Parameter Description
Format is same for <pdu> in case of SMS, but without 3GPP TS 24.011 [31] SC address field and parameter
shall be bounded by double quote characters like a normal string type parameter
String type alphanumeric representation of <da> or <oa> corresponding to the entry found in phonebook. This
feature is not supported.
Command Data
3GPP TS 23.040 [28] TP-Command-Data in text mode responses; ME converts each 8-bit octet into two IRA
character long hexadecimal numbers, e.g. octet with integer value 42 is represented as two characters "2A",
IRA 50 and 65 (decimal).
Command Type
3GPP TS 23.040 [28] TP-Command-Type in integer format
[0]...255
Destination Address
3GPP TS 23.040 [28] TP- Destination-Address Address-Value field in string format; BCD numbers (or GSM
default alphabet characters) are converted into characters; type of address given by <toda>
User Data
In case of SMS: 3GPP TS 23.040 [28] TP-User-Data in text mode responses; format:
• If <dcs> indicates that 3GPP TS 23.038 [27] GSM 7 bit default alphabet is used and <fo> indicates that
3GPP TS 23.040 [28] TP-User-Data-Header-Indication is not set: ME converts GSM alphabet into current TE
character set according to rules covered in Annex A.
• If <dcs> indicates that 8-bit or UCS2 data coding scheme is used, or <fo> indicates that 3GPP TS 23.040
[28] TP-User-Data-Header-Indication is set: ME converts each 8-bit octet into hexadecimal numbers con-tain-
ing two IRA characters, e.g. octet with integer value 42 is represented as two characters "2A", IRA 50 and 65
(decimal).
In case of CBS: 3GPP TS 23.041 [29] CBM Content of Message in text mode responses; format:
• If <dcs> indicates that 3GPP TS 23.038 [27] GSM 7 bit default alphabet is used: ME converts GSM alphabet
into current TE character set according to rules covered in Annex A.
• If <dcs> indicates that 8-bit or UCS2 data coding scheme is used: ME converts each 8-bit octet into hexa-
decimal numbers containing two IRA characters.
<ackpdu>
(num)
<alpha>
(str)(+CSCS)
<cdata>
(num)
<ct>
(num)
<da>
(num)(+CSCS)
<data>
(num)(+CSCS)
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