Source note · Setting up FreePBX with a SIP trunk
Asterisk 21, the default Asterisk under FreePBX 17, does not support the chan_sip channel driver at all.
Checked 2026-09-25
Asterisk 21 does not support chan_sip at all.
- Vendor
- Sangoma
- Product
- FreePBX
- Subsystem
- channel drivers
- Deployment
- on-premises
- Region
- not restricted
- Release range
- FreePBX 17 with Asterisk 21
- Checked
- 2026-09-25
Sources
- FreePBX Open Source - Using FreePBX 17 with chan_sip — Sangoma · tier 2 current vendor documentation · Using FreePBX 17 with chan_sip, opening section
Cite this note
APA
WarmTransfer. (2026, September 25). Setting up FreePBX with a SIP trunk: source note freepbx-sip-trunk-setup-asterisk21-no-chan-sip. WarmTransfer. https://warmtransfer.net/knowledge/claims/freepbx-sip-trunk-setup-asterisk21-no-chan-sip
BibTeX
@misc{warmtransfer-claim-freepbx-sip-trunk-setup-asterisk21-no-chan-sip,
title = {Setting up FreePBX with a SIP trunk: source note freepbx-sip-trunk-setup-asterisk21-no-chan-sip},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/freepbx-sip-trunk-setup-asterisk21-no-chan-sip},
note = {Source note freepbx-sip-trunk-setup-asterisk21-no-chan-sip, checked 2026-09-25}
}