A Twilio trunk's termination must have at least an IP access control list or credential authentication configured, and if both are configured both are enforced.

Checked 2026-09-24

If you configure both, then both ACLs and credentials are enforced.
Vendor
Twilio
Product
Elastic SIP Trunking
Subsystem
termination authentication
Deployment
multi-tenant
Region
not restricted
Release range
current as of 2026-09-24
Checked
2026-09-24

Sources

Cite this note

APA

WarmTransfer. (2026, September 24). Setting up an Asterisk PBX with Twilio Elastic SIP Trunking: source note asterisk-twilio-pbx-setup-term-auth-minimum. WarmTransfer. https://warmtransfer.net/knowledge/claims/asterisk-twilio-pbx-setup-term-auth-minimum

BibTeX

@misc{warmtransfer-claim-asterisk-twilio-pbx-setup-term-auth-minimum,
  title  = {Setting up an Asterisk PBX with Twilio Elastic SIP Trunking: source note asterisk-twilio-pbx-setup-term-auth-minimum},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/asterisk-twilio-pbx-setup-term-auth-minimum},
  note   = {Source note asterisk-twilio-pbx-setup-term-auth-minimum, checked 2026-09-24}
}

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