With Secure Trunking, TLS uses port 5061 by default, another port may be given in the origination URI, and the origination URI must carry the transport=tls parameter.

Checked 2026-09-24

By default port 5061 will be used for TLS, however you may specify the port you wish to use in your Origination URI.
Vendor
Twilio
Product
Elastic SIP Trunking
Subsystem
secure trunking
Deployment
multi-tenant
Region
not restricted
Release range
current as of 2026-09-24
Checked
2026-09-24

Sources

Cite this note

APA

WarmTransfer. (2026, September 24). Setting up an Asterisk PBX with Twilio Elastic SIP Trunking: source note asterisk-twilio-pbx-setup-tls-port-5061. WarmTransfer. https://warmtransfer.net/knowledge/claims/asterisk-twilio-pbx-setup-tls-port-5061

BibTeX

@misc{warmtransfer-claim-asterisk-twilio-pbx-setup-tls-port-5061,
  title  = {Setting up an Asterisk PBX with Twilio Elastic SIP Trunking: source note asterisk-twilio-pbx-setup-tls-port-5061},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/asterisk-twilio-pbx-setup-tls-port-5061},
  note   = {Source note asterisk-twilio-pbx-setup-tls-port-5061, checked 2026-09-24}
}

Read in context