47 CFR 64.1601(a) requires US carriers to transmit the calling party number received from, or associated with, the calling party through the call path, including the charge number in SS7 when it differs.

Checked 2026-09-25

Vendor
US FCC
Product
47 CFR 64.1601
Subsystem
CPN delivery
Deployment
any
Region
us
Release range
text as rendered by LII 2026-09-25
Checked
2026-09-25

Sources

Cite this note

APA

WarmTransfer. (2026, September 25). Wrong or missing caller ID on outbound calls: source note caller-id-presentation-problems-cfr-cpn-transmit. WarmTransfer. https://warmtransfer.net/knowledge/claims/caller-id-presentation-problems-cfr-cpn-transmit

BibTeX

@misc{warmtransfer-claim-caller-id-presentation-problems-cfr-cpn-transmit,
  title  = {Wrong or missing caller ID on outbound calls: source note caller-id-presentation-problems-cfr-cpn-transmit},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/caller-id-presentation-problems-cfr-cpn-transmit},
  note   = {Source note caller-id-presentation-problems-cfr-cpn-transmit, checked 2026-09-25}
}

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