An undated Cisco security-center page states that an LSC must be installed using USB tokens and the CTL client, with the CTL provider and CAPF services enabled on a Unified CM running in mixed (secure) mode.

disputed · Checked 2026-10-02

Vendor
Cisco
Product
Cisco IP Phone
Subsystem
certificates
Deployment
on-premises
Region
not restricted
Release range
undated; USB-token CTL era
Status
disputed
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-psirt-lsc-ctl-mixed. WarmTransfer. https://warmtransfer.net/knowledge/claims/cisco-phone-8021x-setup-psirt-lsc-ctl-mixed

BibTeX

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

Read in context