When a call cannot be delivered to any origination SIP URI, Twilio invokes the trunk's Disaster Recovery URL, a TwiML application that can play a message, take voicemail, redirect to another number or replicate PBX functions such as an IVR.

Checked 2026-09-25

Vendor
Twilio
Product
Elastic SIP Trunking
Subsystem
Disaster Recovery URL
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). UC disaster recovery and business continuity: source note uc-disaster-recovery-twilio-dr-url. WarmTransfer. https://warmtransfer.net/knowledge/claims/uc-disaster-recovery-twilio-dr-url

BibTeX

@misc{warmtransfer-claim-uc-disaster-recovery-twilio-dr-url,
  title  = {UC disaster recovery and business continuity: source note uc-disaster-recovery-twilio-dr-url},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/uc-disaster-recovery-twilio-dr-url},
  note   = {Source note uc-disaster-recovery-twilio-dr-url, checked 2026-09-25}
}

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