AT Commands Reference Manual - wireless netcontrol GmbH

Chapter 3: AT Commands Reference
Table 3-67: Layout of SMS-STATUS-REPORT in PDU Mode (according to
GSM23.040) (Cont.)
Reference Description Length
Optional:
Protocol-Identifier. Values between
0-255.
Optional:
Data Coding Scheme. Values between
0-255.
Optional:
User data length
Optional:
User data
1 BYTE
1 BYTE
1 BYTE
131 BYTES
Notes:
• Any unused bits will be set to zero by the sending entity and will be ignored by the
receiving entity.
• The maximum guaranteed length of TP-UD is 131 octets. In order to achieve the maximum
octet of 143, the TP-RA field must have a length of two octets and TP-PID and TP-DCS
must not be present.
• TP-PI is Mandatory if any of the optional parameters following TP-PI is present, otherwise
optional.
Table 3-68: Layout of SMS-COMMAND in PDU Mode
(according to GSM23.040)
Reference Description Length
Service Center address:
1 BYTE: length (number of followed
octets). Mandatory
1 BYTE: - value between
128-255
1, 3-12 BYTES
(When length is 1, length BYTE = 0)
First Octet. See Table 3-69. 1 BYTE
Message Reference. An integer
representation of a reference number of
the SM submitted to the SC by the MS.
Values between 0-255.
Protocol-Identifier. Values between
0-255.
1 BYTE
1 BYTE
Command Type 1 BYTE
Message Number 1 BYTE
Destination address formatted according
to the formatting rules of address fields.
2-12 BYTES
Command data length 1 BYTE
Command data 0-156 BYTES
April 15, 2010 H24 - AT Commands Reference Manual 3-115