# Advanced Methods To Target and Eliminate Unlawful Robocalls-Petition for Reconsideration and Request for Clarification of USTelecom-The Broadband Association
> **Federal Communications Commission** · Final rule. · Published 2021-12-30 · Effective 2022-01-31 · 86 FR 74373
## Document
- **Document number:** 2021-28212
- **Category:** robocall-tcpa
- **Federal Register citation:** 86 FR 74373
- **CFR reference:** 47 CFR 64
- **Publication date:** 2021-12-30
- **Effective date:** 2022-01-31
- **FCC docket:** CG Docket No. 17-59
## Abstract

In this document, the Federal Communications Commission (Commission) reconsiders and clarifies certain aspects of the transparency and redress requirements previously adopted to ensure that voice service providers continue to block unwanted and illegal calls, while also protecting the interests of legitimate callers and consumers, also, granting a waiver to allow voice service providers terminating a call on an internet protocol (IP) network to use Session Initiation Protocol (SIP).

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2021/12/30/2021-28212/advanced-methods-to-target-and-eliminate-unlawful-robocalls-petition-for-reconsideration-and-request)
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