The application/ISUP media type requires a version parameter identifying the ISUP variant and allows an optional base parameter.

Checked 2026-09-24

Vendor
IETF
Product
RFC 3204
Subsystem
MIME parameters
Deployment
any
Region
not restricted
Release range
RFC 3204
Checked
2026-09-24

Sources

Cite this note

APA

WarmTransfer. (2026, September 24). PRI and TDM gateway interworking: source note legacy-pri-tdm-isup-version-param. WarmTransfer. https://warmtransfer.net/knowledge/claims/legacy-pri-tdm-isup-version-param

BibTeX

@misc{warmtransfer-claim-legacy-pri-tdm-isup-version-param,
  title  = {PRI and TDM gateway interworking: source note legacy-pri-tdm-isup-version-param},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/legacy-pri-tdm-isup-version-param},
  note   = {Source note legacy-pri-tdm-isup-version-param, checked 2026-09-24}
}

Read in context