2.23.1 UDT(S) to XUDT(S) Conversion
When converting a UDT(S) message to an XUDT(S) message, the changes shown in the following table are made to the message:
Table 2-26 Parameter Values after UDT to XUDT or UDTS to XUDTS Conversion
UDT to XUDT Conversion | UDTS to XUDTS Conversion | ||
---|---|---|---|
Parameter | Value after UDT to XUDT Conversion | Parameter | Value after UDTS to XUDTS Conversion |
Message Type | XUDT (0x11) | Message Type | XUDTS (0x12) |
Protocol Class | Same as the pre-converted message. | Return Cause | Same as the pre-converted message. |
Hop Counter | 15, which is the maximum value. | Hop Counter | 15, which is the maximum value. |
Pointer to Called Party Address (CDPA) | Incremented from the pre-converted UDT message value by the size of the Pointer to Optional Parameters value (1 byte). | Pointer to Called Party Address (CDPA) | Incremented from the pre-converted UDTS message value by the size of the Pointer to Optional Parameters value (1 byte). |
Pointer to Calling Party Address (CGPA) | Incremented from the pre-converted UDT message value by the size of the Pointer to Optional Parameters value (1 byte). | Pointer to Calling Party Address (CGPA) | Incremented from the pre-converted UDTS message value by the size of the Pointer to Optional Parameters value (1 byte). |
Pointer to Data | Incremented from the pre-converted UDT message value by the size of the Pointer to Optional Parameters value (1 byte). | Pointer to Data | Incremented from the pre-converted UDTS message value by the size of the Pointer to Optional Parameters value (1 byte). |
Pointer to Optional Parameters | 0, since no optional parameters are present in a converted XUDT message. | Pointer to Optional Parameters | 0, since no optional parameters are present in a converted XUDTS message. |
Called Party Address (CDPA) Parameter | Same as the pre-converted message. | Called Party Address (CDPA) Parameter | Same as the pre-converted message. |
Calling Party Address (CGPA) Parameter | Same as the pre-converted message. | Calling Party Address (CGPA) Parameter | Same as the pre-converted message. |
Data | Same as the pre-converted message. | Data | Same as the pre-converted message. |