Twilio sends numbers to the customer's SIP element in E.164 format.
Checked 2026-09-24
All numbers must be sent to Twilio in E.164 format and will be sent in E.164 format to your SIP element.
- Vendor
- Twilio
- Product
- Elastic SIP Trunking
- Subsystem
- origination
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- stated 2019; not contradicted by current docs
- Checked
- 2026-09-24
Sources
- A Step-by-Step Guide to Set Up Twilio Elastic SIP Trunking — Twilio · tier 3 vendor-maintained repositories · Termination settings section, E.164 sentence
Cite this note
APA
WarmTransfer. (2026, September 24). Setting up an Asterisk PBX with Twilio Elastic SIP Trunking: source note asterisk-twilio-pbx-setup-e164-delivered. WarmTransfer. https://warmtransfer.net/knowledge/claims/asterisk-twilio-pbx-setup-e164-delivered
BibTeX
@misc{warmtransfer-claim-asterisk-twilio-pbx-setup-e164-delivered,
title = {Setting up an Asterisk PBX with Twilio Elastic SIP Trunking: source note asterisk-twilio-pbx-setup-e164-delivered},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/asterisk-twilio-pbx-setup-e164-delivered},
note = {Source note asterisk-twilio-pbx-setup-e164-delivered, checked 2026-09-24}
}