Source note · SIP trunk redundancy and failover design
Twilio offers localized termination URIs per edge (for example example.pstn.ashburn.twilio.com), each resolving to several IPs across availability zones, and recommends failing over to another region during a regional outage.
Checked 2026-09-25
- Vendor
- Twilio
- Product
- Elastic SIP Trunking
- Subsystem
- termination
- 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 · Localized termination URIs
Cite this note
APA
WarmTransfer. (2026, September 25). SIP trunk redundancy and failover design: source note sip-trunk-redundancy-design-twilio-localized-termination. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-trunk-redundancy-design-twilio-localized-termination
BibTeX
@misc{warmtransfer-claim-sip-trunk-redundancy-design-twilio-localized-termination,
title = {SIP trunk redundancy and failover design: source note sip-trunk-redundancy-design-twilio-localized-termination},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/sip-trunk-redundancy-design-twilio-localized-termination},
note = {Source note sip-trunk-redundancy-design-twilio-localized-termination, checked 2026-09-25}
}