Versions of CFR > Title 47 > Chapter I > Subchapter A > Part 9 > Subpart D - Interconnected Voice Over Internet Protocol Services on LawServer 2024 CFR > Title 47 > Chapter I > Subchapter A > Part 9 > Subpart D – Interconnected Voice Over Internet Protocol Services 2023 CFR > Title 47 > CHAPTER I > SUBCHAPTER A > PART 9 > Subpart D – Interconnected Voice over Internet Protocol Services 2022 CFR > Title 47 > Chapter I > Subchapter A > Part 9 > Subpart D – Interconnected Voice over Internet Protocol Services 2021 CFR > Title 47 > Chapter I > Subchapter A > Part 9 > Subpart D – Interconnected Voice over Internet Protocol Services 2020 CFR > Title 47 > Chapter I > Subchapter A > Part 9 > Subpart D – Interconnected Voice Over Internet Protocol Services