Source note · SS7 and carrier interworking concepts
RFC 4666 (M3UA, September 2006, obsoleting RFC 3332) transports SS7 MTP3-User signalling such as ISUP and SCCP over IP using SCTP, between a Signalling Gateway and IP-based application server processes.
Checked 2026-09-24
- Vendor
- IETF
- Product
- SIGTRAN M3UA
- Subsystem
- SS7 over IP transport
- Deployment
- carrier
- Region
- not restricted
- Release range
- current as of 2026-09-24
- Checked
- 2026-09-24
Sources
- RFC 4666: Signaling System 7 (SS7) Message Transfer Part 3 (MTP3) - User Adaptation Layer (M3UA) — IETF / RFC Editor · tier 1 standards and regulators · Abstract; Sections 1.2 and 1.3.1
Cite this note
APA
WarmTransfer. (2026, September 24). SS7 and carrier interworking concepts: source note ss7-carrier-interworking-m3ua-purpose. WarmTransfer. https://warmtransfer.net/knowledge/claims/ss7-carrier-interworking-m3ua-purpose
BibTeX
@misc{warmtransfer-claim-ss7-carrier-interworking-m3ua-purpose,
title = {SS7 and carrier interworking concepts: source note ss7-carrier-interworking-m3ua-purpose},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/ss7-carrier-interworking-m3ua-purpose},
note = {Source note ss7-carrier-interworking-m3ua-purpose, checked 2026-09-24}
}