| Offsets | Name | Length | Format | Description | |
|---|---|---|---|---|---|
| 0 | 0 | SMF33UDL | 2 | binary | Length of data in user data field (SMF33UDF). |
| 2 | 2 | SMF33UDF | 255 (max) | binary | User data field. This is user-defined data that one of the partner programs wrote to this record, through the Set_Conversation_Accounting_Information service. |