Source note · DNS SRV and service discovery for SIP
Twilio recommends putting the personal trunk domain in the Request-URI and setting the generic localized edge domain as the outbound proxy or Route header, so SRV and NAPTR resolution applies.
Checked 2026-09-24
- Vendor
- Twilio
- Product
- Elastic SIP Trunking
- Subsystem
- termination addressing
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-24
- Checked
- 2026-09-24
Sources
- Sending SIP to Twilio - Best Practices — Twilio · tier 2 current vendor documentation · SRV and NAPTR records, configuration guidance
Cite this note
APA
WarmTransfer. (2026, September 24). DNS SRV and service discovery for SIP: source note dns-srv-voice-twilio-outbound-proxy. WarmTransfer. https://warmtransfer.net/knowledge/claims/dns-srv-voice-twilio-outbound-proxy
BibTeX
@misc{warmtransfer-claim-dns-srv-voice-twilio-outbound-proxy,
title = {DNS SRV and service discovery for SIP: source note dns-srv-voice-twilio-outbound-proxy},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/dns-srv-voice-twilio-outbound-proxy},
note = {Source note dns-srv-voice-twilio-outbound-proxy, checked 2026-09-24}
}