The SBD technote states that Cisco provides no method to delete all ITLs from phones remotely; deletion is done on each phone.

Checked 2026-10-01

There is currently no method to delete all ITLs from a phone remotely provided by Cisco.
Vendor
Cisco
Product
Unified Communications Manager
Subsystem
ITL
Deployment
on-premises
Region
not restricted
Release range
8.0 and later
Checked
2026-10-01

Sources

Cite this note

APA

WarmTransfer. (2026, October 1). Troubleshooting phone trust and ITL failures in Unified CM: source note cucm-itl-trust-troubleshooting-no-remote-itl-delete. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-itl-trust-troubleshooting-no-remote-itl-delete

BibTeX

@misc{warmtransfer-claim-cucm-itl-trust-troubleshooting-no-remote-itl-delete,
  title  = {Troubleshooting phone trust and ITL failures in Unified CM: source note cucm-itl-trust-troubleshooting-no-remote-itl-delete},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cucm-itl-trust-troubleshooting-no-remote-itl-delete},
  note   = {Source note cucm-itl-trust-troubleshooting-no-remote-itl-delete, checked 2026-10-01}
}

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