Source note · Call blocking and analytics labeling remediation
Under 47 CFR 64.1200(k)(3) a terminating provider may block voice calls without liability when blocking uses reasonable analytics designed to identify unwanted calls, those analytics consider caller ID authentication information where available, and consumers may opt out with sufficient information to decide.
Checked 2026-09-24
Calls are blocked based on the use of reasonable analytics designed to identify unwanted calls
- Vendor
- FCC
- Product
- 47 CFR 64.1200
- Subsystem
- call-blocking-safe-harbor
- Deployment
- pstn
- Region
- us
- Release range
- current as of 2026-09-24
- Checked
- 2026-09-24
Sources
- 47 CFR § 64.1200 - Delivery restrictions — Legal Information Institute, Cornell Law School (reproducing the eCFR) · tier 1 standards and regulators · § 64.1200(k)(3)(i)-(iii)
Cite this note
APA
WarmTransfer. (2026, September 24). Call blocking and analytics labeling remediation: source note call-blocking-labeling-analytics-safe-harbor. WarmTransfer. https://warmtransfer.net/knowledge/claims/call-blocking-labeling-analytics-safe-harbor
BibTeX
@misc{warmtransfer-claim-call-blocking-labeling-analytics-safe-harbor,
title = {Call blocking and analytics labeling remediation: source note call-blocking-labeling-analytics-safe-harbor},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/call-blocking-labeling-analytics-safe-harbor},
note = {Source note call-blocking-labeling-analytics-safe-harbor, checked 2026-09-24}
}