In the CUBE SIP registration feature's end-to-end mode, CUBE ignores its local registrar and authentication configuration and passes the Authorization headers through to the registrar.

Checked 2026-09-25

Vendor
Cisco
Product
Cisco Unified Border Element (CUBE)
Subsystem
registration
Deployment
on-premises
Region
not restricted
Release range
IOS XE 17.6 onwards
Checked
2026-09-25

Sources

Cite this note

APA

WarmTransfer. (2026, September 25). SIP trunk carrier turn-up and acceptance testing: source note sip-trunk-carrier-turn-up-cube-e2e-auth-passthru. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-trunk-carrier-turn-up-cube-e2e-auth-passthru

BibTeX

@misc{warmtransfer-claim-sip-trunk-carrier-turn-up-cube-e2e-auth-passthru,
  title  = {SIP trunk carrier turn-up and acceptance testing: source note sip-trunk-carrier-turn-up-cube-e2e-auth-passthru},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/sip-trunk-carrier-turn-up-cube-e2e-auth-passthru},
  note   = {Source note sip-trunk-carrier-turn-up-cube-e2e-auth-passthru, checked 2026-09-25}
}

Read in context