A Twilio Elastic SIP trunk can have a Disaster Recovery URL pointing to a TwiML application that handles inbound calls (for example with an IVR) when the origination URIs are unavailable, billed at standard Twilio Voice rates.

Checked 2026-09-25

Vendor
Twilio
Product
Elastic SIP Trunking
Subsystem
disaster recovery
Deployment
multi-tenant
Region
not restricted
Release range
current as of 2026-09-25
Checked
2026-09-25

Sources

Cite this note

APA

WarmTransfer. (2026, September 25). SIP trunk redundancy and failover design: source note sip-trunk-redundancy-design-twilio-dr-url. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-trunk-redundancy-design-twilio-dr-url

BibTeX

@misc{warmtransfer-claim-sip-trunk-redundancy-design-twilio-dr-url,
  title  = {SIP trunk redundancy and failover design: source note sip-trunk-redundancy-design-twilio-dr-url},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/sip-trunk-redundancy-design-twilio-dr-url},
  note   = {Source note sip-trunk-redundancy-design-twilio-dr-url, checked 2026-09-25}
}

Read in context