Source note · Setting up FreePBX with a SIP trunk
The trunk CID Option Block Foreign CIDs blocks caller IDs that come from calls forwarded from outside the system, while Allow Any CID sends them.
Checked 2026-09-25
- Vendor
- Sangoma
- Product
- FreePBX
- Subsystem
- Trunks module
- Deployment
- on-premises
- Region
- not restricted
- Release range
- current as of 2026-09-25
- Checked
- 2026-09-25
Sources
- PBX GUI - Trunks Module-User Guide — Sangoma · tier 2 current vendor documentation · General Settings, CID Options
Cite this note
APA
WarmTransfer. (2026, September 25). Setting up FreePBX with a SIP trunk: source note freepbx-sip-trunk-setup-block-foreign-cid. WarmTransfer. https://warmtransfer.net/knowledge/claims/freepbx-sip-trunk-setup-block-foreign-cid
BibTeX
@misc{warmtransfer-claim-freepbx-sip-trunk-setup-block-foreign-cid,
title = {Setting up FreePBX with a SIP trunk: source note freepbx-sip-trunk-setup-block-foreign-cid},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/freepbx-sip-trunk-setup-block-foreign-cid},
note = {Source note freepbx-sip-trunk-setup-block-foreign-cid, checked 2026-09-25}
}