The Phone Security chapter lists optional phone hardening settings: Gratuitous ARP disable, Web Access disable, PC Port disable, Settings Access disable and PC Voice VLAN Access disable.

Checked 2026-09-25

Vendor
Cisco
Product
Unified Communications Manager
Subsystem
phone hardening
Deployment
on-premises
Region
not restricted
Release range
Release 15 and SUs
Checked
2026-09-25

Sources

Cite this note

APA

WarmTransfer. (2026, September 25). Unified CM security hardening: source note cucm-security-hardening-phone-hardening-settings. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-security-hardening-phone-hardening-settings

BibTeX

@misc{warmtransfer-claim-cucm-security-hardening-phone-hardening-settings,
  title  = {Unified CM security hardening: source note cucm-security-hardening-phone-hardening-settings},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cucm-security-hardening-phone-hardening-settings},
  note   = {Source note cucm-security-hardening-phone-hardening-settings, checked 2026-09-25}
}

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