FCC 25-73 names SS7 signalling points with local switches, tandems and 911 selective routers as elements of the typical TDM network topology in use.

Checked 2026-09-24

Vendor
FCC
Product
interconnection rules
Subsystem
TDM to IP transition
Deployment
carrier
Region
us
Release range
proposed rule published 2025-11-26
Checked
2026-09-24

Sources

Cite this note

APA

WarmTransfer. (2026, September 24). SS7 and carrier interworking concepts: source note ss7-carrier-interworking-fcc-25-73-ss7-legacy. WarmTransfer. https://warmtransfer.net/knowledge/claims/ss7-carrier-interworking-fcc-25-73-ss7-legacy

BibTeX

@misc{warmtransfer-claim-ss7-carrier-interworking-fcc-25-73-ss7-legacy,
  title  = {SS7 and carrier interworking concepts: source note ss7-carrier-interworking-fcc-25-73-ss7-legacy},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/ss7-carrier-interworking-fcc-25-73-ss7-legacy},
  note   = {Source note ss7-carrier-interworking-fcc-25-73-ss7-legacy, checked 2026-09-24}
}

Read in context