| Relationships | Role | Relationship Start | Relationship End |
| Bt Australia Limited | Parent | 12/1/1993 | 12/30/1996 |
| Bt Australia Limited | Parent | 2/1/1988 | 11/30/1993 |
| Relationships | Role | Relationship Start | Relationship End |
| Bt Australia Limited | Parent | 12/1/1993 | 12/30/1996 |
| Bt Australia Limited | Parent | 2/1/1988 | 11/30/1993 |