The FCC's MLTS definition covers network-based and premises-based systems, naming Centrex and VoIP as well as PBX, hybrid and key telephone systems.
Checked 2026-09-24
- Vendor
- n
- Product
- MLTS (47 CFR Part 9)
- Subsystem
- definitions
- Deployment
- on-premises, multi-tenant, hybrid
- Region
- us
- Release range
- current as of 2026-09-24
- Checked
- 2026-09-24
Sources
- 47 CFR § 9.3 - Definitions (Cornell LII republication) — Legal Information Institute, Cornell Law School (republishing eCFR) · tier 1 standards and regulators · 47 CFR 9.3, definition 'Multi-line telephone system or MLTS'
Cite this note
APA
WarmTransfer. (2026, September 24). Meeting Kari's Law and RAY BAUM's Act on an enterprise phone system: source note kari-ray-baum-compliance-mlts-def. WarmTransfer. https://warmtransfer.net/knowledge/claims/kari-ray-baum-compliance-mlts-def
BibTeX
@misc{warmtransfer-claim-kari-ray-baum-compliance-mlts-def,
title = {Meeting Kari's Law and RAY BAUM's Act on an enterprise phone system: source note kari-ray-baum-compliance-mlts-def},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/kari-ray-baum-compliance-mlts-def},
note = {Source note kari-ray-baum-compliance-mlts-def, checked 2026-09-24}
}