Asterisk rejects an inbound SIP request it cannot match to a configured endpoint, and an apparent authentication failure often means the endpoint was not recognised at all.

Checked 2026-09-25

Vendor
Asterisk Project
Product
Asterisk res_pjsip
Subsystem
endpoint identification
Deployment
on-premises
Region
not restricted
Release range
current as of 2026-09-25
Checked
2026-09-25

Sources

Cite this note

APA

WarmTransfer. (2026, September 25). Setting up FreePBX with a SIP trunk: source note freepbx-sip-trunk-setup-unmatched-endpoint-rejected. WarmTransfer. https://warmtransfer.net/knowledge/claims/freepbx-sip-trunk-setup-unmatched-endpoint-rejected

BibTeX

@misc{warmtransfer-claim-freepbx-sip-trunk-setup-unmatched-endpoint-rejected,
  title  = {Setting up FreePBX with a SIP trunk: source note freepbx-sip-trunk-setup-unmatched-endpoint-rejected},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/freepbx-sip-trunk-setup-unmatched-endpoint-rejected},
  note   = {Source note freepbx-sip-trunk-setup-unmatched-endpoint-rejected, checked 2026-09-25}
}

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