| Effective | Description | Package |
| 11/01/2025 | DS1, DS3 and OC-n Point-to-Point Grandfathering | IN-25-0021 |
| 11/01/2025 | Remote Call Forwarding Grandfathering | IN-25-0022 |
| 10/15/2025 | Access Lines and Trunks, Centrex, Miscellaneous and ISDN PRI Grandfathering | IN-25-0023 |