Source note · SIP scanning and telephony denial of service
Twilio Elastic SIP Trunking requires at least an IP access control list or a credential list for termination, and enforces both when both are set.
Checked 2026-09-25
You must configure a minimum of either an ACL or credential authentication.
- Vendor
- Twilio
- Product
- Elastic SIP Trunking
- Subsystem
- Termination authentication
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-25
- Checked
- 2026-09-25
Sources
- Elastic SIP Trunking — Twilio · tier 2 current vendor documentation · Termination Settings > Authentication
Cite this note
APA
WarmTransfer. (2026, September 25). SIP scanning and telephony denial of service: source note sip-scanning-tdos-twilio-acl-or-credentials. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-scanning-tdos-twilio-acl-or-credentials
BibTeX
@misc{warmtransfer-claim-sip-scanning-tdos-twilio-acl-or-credentials,
title = {SIP scanning and telephony denial of service: source note sip-scanning-tdos-twilio-acl-or-credentials},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/sip-scanning-tdos-twilio-acl-or-credentials},
note = {Source note sip-scanning-tdos-twilio-acl-or-credentials, checked 2026-09-25}
}