The CAPF service on Unified CM issues LSCs to supported Cisco IP Phones, authenticates phones in mixed mode, upgrades existing LSCs, and retrieves phone certificates for viewing and troubleshooting.

Checked 2026-10-02

Vendor
Cisco
Product
Cisco Unified CM
Subsystem
CAPF
Deployment
on-premises
Region
not restricted
Release range
15 and SUs
Checked
2026-10-02

Sources

Cite this note

APA

WarmTransfer. (2026, October 2). Setting up 802.1X authentication for Cisco IP phones: source note cisco-phone-8021x-setup-capf-functions. WarmTransfer. https://warmtransfer.net/knowledge/claims/cisco-phone-8021x-setup-capf-functions

BibTeX

@misc{warmtransfer-claim-cisco-phone-8021x-setup-capf-functions,
  title  = {Setting up 802.1X authentication for Cisco IP phones: source note cisco-phone-8021x-setup-capf-functions},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cisco-phone-8021x-setup-capf-functions},
  note   = {Source note cisco-phone-8021x-setup-capf-functions, checked 2026-10-02}
}

Read in context