When autoregistration is enabled and the phone has not been added to the Unified CM database, the phone fetches the default configuration file XmlDefault.cnf.xml from TFTP.

Checked 2026-09-24

Vendor
Cisco
Product
Cisco IP Phone 8800 Series
Subsystem
Autoregistration
Deployment
on-premises
Region
not restricted
Release range
current as of 2026-09-24
Checked
2026-09-24

Sources

Cite this note

APA

WarmTransfer. (2026, September 24). Cisco IP phone registration and TFTP and ITL and CTL: source note cisco-phone-registration-xmldefault-autoreg. WarmTransfer. https://warmtransfer.net/knowledge/claims/cisco-phone-registration-xmldefault-autoreg

BibTeX

@misc{warmtransfer-claim-cisco-phone-registration-xmldefault-autoreg,
  title  = {Cisco IP phone registration and TFTP and ITL and CTL: source note cisco-phone-registration-xmldefault-autoreg},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cisco-phone-registration-xmldefault-autoreg},
  note   = {Source note cisco-phone-registration-xmldefault-autoreg, checked 2026-09-24}
}

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