Source note · Setting up FreePBX with a SIP trunk
The Firewall configures trunk peers automatically from the trunk definition, but an IP-authenticated carrier that sends calls from addresses other than the trunk's SIP Server may need those addresses trusted explicitly.
inferred · Checked 2026-09-25
- Vendor
- Sangoma
- Product
- FreePBX
- Subsystem
- Firewall module
- Deployment
- on-premises
- Region
- not restricted
- Release range
- current as of 2026-09-25
- Status
- inferred
- Checked
- 2026-09-25
Sources
- PBX GUI - VoIP Innovations SIP Trunk setup — Sangoma · tier 2 current vendor documentation · Firewall configuration, read with the Firewall Getting Started Guide trunk note
Cite this note
APA
WarmTransfer. (2026, September 25). Setting up FreePBX with a SIP trunk: source note freepbx-sip-trunk-setup-firewall-trust-inference. WarmTransfer. https://warmtransfer.net/knowledge/claims/freepbx-sip-trunk-setup-firewall-trust-inference
BibTeX
@misc{warmtransfer-claim-freepbx-sip-trunk-setup-firewall-trust-inference,
title = {Setting up FreePBX with a SIP trunk: source note freepbx-sip-trunk-setup-firewall-trust-inference},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/freepbx-sip-trunk-setup-firewall-trust-inference},
note = {Source note freepbx-sip-trunk-setup-firewall-trust-inference, checked 2026-09-25}
}