| Relationships | Role | Relationship Start | Relationship End |
| Bt Australia Limited | Parent | 11/23/1987 | 9/29/1999 |
| Bt Australia Limited | Parent | 6/27/1986 | 11/22/1987 |
| Relationships | Role | Relationship Start | Relationship End |
| Bt Australia Limited | Parent | 11/23/1987 | 9/29/1999 |
| Bt Australia Limited | Parent | 6/27/1986 | 11/22/1987 |