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Transition from legacy TDM-based voice services to modern, all-IP networks on the FCC's mind

Written by Amy Ralls | Oct 29, 2025 9:49:59 PM

The Federal Communications Commission (FCC) has released a Notice of Proposed Rulemaking aimed at accelerating the transition from legacy TDM-based voice services to modern, all-IP networks. Key proposals include:

  • ๐Ÿ“ถ Eliminating Legacy Interconnection Rules: The FCC proposes to forbear from incumbent local exchange carriersโ€™ (LECs) obligations under Section 251(c)(2) and (c)(6) of the Communications Act by December 31, 2028, removing requirements to maintain outdated TDM infrastructure.
  • ๐Ÿ”„ Modernizing Interconnection Frameworks: The Commission seeks comment on replacing legacy interconnection rules with a new framework tailored to IP-based voice services, while preserving oversight for public safety and consumer protection.
  • ๐Ÿ“Š Market Evolution: With over 74% of residential and 80% of business voice services now IP-based, the FCC argues that legacy rules hinder investment and innovation.
  • ๐Ÿšจ Public Safety & NG911: The transition supports enhanced emergency services like Next Generation 911, offering multimedia capabilities and improved cybersecurity.
  • ๐Ÿ’ฌ Public Input Invited: Comments are due 30 days after Federal Register publication; reply comments within 60 days.

For the full text of the Notice, please go to:

https://www.fcc.gov/document/facilitating-successful-transition-all-ip-interconnection-0