| Section 1: Exchange Lines Part 24: Access Charges - Rental : OpDate: 01-10-2020 | |
| Section 1: Exchange Lines Part 26: BT ISDN 2E, Access Charges Connection and Rental : OpDate: 01-10-2020 | |
| Section 1: Exchange Lines Part 24: DDI Rental: OpDate: 01-10-2020 | |
| Section 1: Exchange Lines Part 26: Isdn2/2e BT Digital Calling Features (Formerly Digital Select Services): OpDate: 01-10-2020 | |
| Section 1: Exchange Lines Part 26: ISDN2e DDI: OpDate: 01-10-2020 | |
| Section 5: Call Connect Systems Part 1: Notices : OpDate: 01-10-2020 | |
| Section 1: Exchange Lines Part 24: Pricing Information: OpDate: 01-10-2020 | |
BT Price List