'Mutual TLS' does not mean the same identity check everywhere: Teams Direct Routing and Webex certificate-based trunks bind the SBC to its FQDN, Zoom BYOC-P exchanges certificates without peer-name validation, and Amazon Chime SDK Voice Connector does not do mTLS at all.

inferred · Checked 2026-10-02

Vendor
not restricted
Product
not restricted
Subsystem
model comparison
Deployment
multi-tenant
Region
not restricted
Release range
current as of 2026-10-02
Status
inferred
Checked
2026-10-02

Sources

Cite this note

APA

WarmTransfer. (2026, October 2). SIP trunk authentication: registration and static IP and mutual TLS: source note sip-trunk-authentication-models-inf-mtls-identity-varies. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-trunk-authentication-models-inf-mtls-identity-varies

BibTeX

@misc{warmtransfer-claim-sip-trunk-authentication-models-inf-mtls-identity-varies,
  title  = {SIP trunk authentication: registration and static IP and mutual TLS: source note sip-trunk-authentication-models-inf-mtls-identity-varies},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/sip-trunk-authentication-models-inf-mtls-identity-varies},
  note   = {Source note sip-trunk-authentication-models-inf-mtls-identity-varies, checked 2026-10-02}
}

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