Twilio tells customers to configure their infrastructure not to register to an Elastic SIP trunk; the trunk does not use SIP REGISTER.

Checked 2026-10-02

Configure your infrastructure not to register for this trunk.
Vendor
Twilio
Product
Elastic SIP Trunking
Subsystem
origination
Deployment
multi-tenant
Region
not restricted
Release range
current as of 2026-10-02
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-twilio-no-registration. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-trunk-authentication-models-twilio-no-registration

BibTeX

@misc{warmtransfer-claim-sip-trunk-authentication-models-twilio-no-registration,
  title  = {SIP trunk authentication: registration and static IP and mutual TLS: source note sip-trunk-authentication-models-twilio-no-registration},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/sip-trunk-authentication-models-twilio-no-registration},
  note   = {Source note sip-trunk-authentication-models-twilio-no-registration, checked 2026-10-02}
}

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