Source note · SIP call forwarding and routing loops
With CFA Destination Override enabled, Unified CM ignores the CFA destination when it matches the calling party number, so the forwarding target calling the initiator rings the initiator instead of forwarding back.
Checked 2026-09-25
- Vendor
- Cisco
- Product
- Unified Communications Manager
- Subsystem
- call forwarding
- Deployment
- on-premises
- Region
- not restricted
- Release range
- Release 15 and SUs
- Checked
- 2026-09-25
Sources
- Feature Configuration Guide for Cisco Unified Communications Manager, Release 15 and SUs - Call Forwarding — Cisco Systems · tier 2 current vendor documentation · CFA Destination Override
Cite this note
APA
WarmTransfer. (2026, September 25). SIP call forwarding and routing loops: source note sip-forwarding-loops-cucm-cfa-dest-override. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-forwarding-loops-cucm-cfa-dest-override
BibTeX
@misc{warmtransfer-claim-sip-forwarding-loops-cucm-cfa-dest-override,
title = {SIP call forwarding and routing loops: source note sip-forwarding-loops-cucm-cfa-dest-override},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/sip-forwarding-loops-cucm-cfa-dest-override},
note = {Source note sip-forwarding-loops-cucm-cfa-dest-override, checked 2026-09-25}
}