SMS
3-128 AT Commands Reference Manual June 30, 2008
Table 3-75:Layout of SMS-SUBMIT in PDU Mode: (according to GSM03.40)
Reference Description Length
<sca> Service Center address:
1 BYTE: length (number of followed
octets). Mandatory
1 BYTE: <tosca> - value between
128-255
1, 3-12 BYTES
(When length is 1, length BYTE = 0)
<fo> First Octet. See the table below. 1 BYTE
<TP-MR> Message Reference. An integer
representation of a reference number of
the SM submitted to the SC by the MS.
Values between 0-255.
1 BYTE
<TP-DA> Destination address formatted according
to the formatting rules of address fields. 2-12 BYTES
<TP-PID> Protocol-Identifier. Values between
0-255. 1 BYTE
<TP-DCS> Data Coding Scheme. Values between
0-255. 1 BYTE
<TP-VP> Validity Period. depending on <fo>,
TP-Validity-Period-Format bits setting. 0, 1, 7 BYTE
<TP-UDL> User data length 1 BYTE
<TP-UD> User data 0-140 BYTES
Table 3-76:Layout of SMS-COMMAND in PDU Mode: (according to GSM03.40)
Reference Description Length
<sca> Service Center address:
1 BYTE: length (number of followed
octets). Mandatory
1 BYTE: <tosca> - value between
128-255
1, 3-12 BYTES
(When length is 1, length BYTE = 0)
<fo> First Octet. See Table 3-77.1 BYTE
<TP-MR> Message Reference. An integer
representation of a reference number of
the SM submitted to the SC by the MS.
Values between 0-255.
1 BYTE
<TP-PID> Protocol-Identifier. Values between
0-255. 1 BYTE
<TP-CT> Command Type 1 BYTE
<TP-MN> Message Number 1 BYTE
<TP-DA> Destination address formatted according
to the formatting rules of address fields. 2-12 BYTES