In SIP-T, full ISUP messages are carried end to end by encapsulating them in multipart MIME bodies of SIP messages, while key ISUP parameters are also translated into SIP headers for routing.

Checked 2026-09-24

Vendor
IETF
Product
SIP-T
Subsystem
encapsulation and translation
Deployment
carrier
Region
not restricted
Release range
current as of 2026-09-24
Checked
2026-09-24

Sources

Cite this note

APA

WarmTransfer. (2026, September 24). SS7 and carrier interworking concepts: source note ss7-carrier-interworking-sip-t-encapsulation. WarmTransfer. https://warmtransfer.net/knowledge/claims/ss7-carrier-interworking-sip-t-encapsulation

BibTeX

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

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