Source note · Setting up FreePBX with a SIP trunk
In Asterisk SIP Settings, External Address should show the PBX's public-facing IP, and Detect Network Settings makes the PBX detect its external and local networks.
Checked 2026-09-25
- Vendor
- Sangoma
- Product
- FreePBX
- Subsystem
- Asterisk SIP Settings
- Deployment
- on-premises
- Region
- not restricted
- Release range
- current as of 2026-09-25
- Checked
- 2026-09-25
Sources
- PBX GUI - Asterisk SIP Settings User Guide — Sangoma · tier 2 current vendor documentation · External Address
Cite this note
APA
WarmTransfer. (2026, September 25). Setting up FreePBX with a SIP trunk: source note freepbx-sip-trunk-setup-external-address-detect. WarmTransfer. https://warmtransfer.net/knowledge/claims/freepbx-sip-trunk-setup-external-address-detect
BibTeX
@misc{warmtransfer-claim-freepbx-sip-trunk-setup-external-address-detect,
title = {Setting up FreePBX with a SIP trunk: source note freepbx-sip-trunk-setup-external-address-detect},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/freepbx-sip-trunk-setup-external-address-detect},
note = {Source note freepbx-sip-trunk-setup-external-address-detect, checked 2026-09-25}
}