SCCP phones do not need Phone NTP References because they obtain network time from Unified CM directly through SCCP signalling.

Checked 2026-09-24

Vendor
Cisco
Product
Unified Communications Manager
Subsystem
NTP / date-time group
Deployment
on-premises, dedicated-instance
Region
not restricted
Release range
14 and SUs; 15 and SUs
Checked
2026-09-24

Sources

Cite this note

APA

WarmTransfer. (2026, September 24). Unified CM device pools and device configuration model: source note cucm-device-pools-sccp-time-from-signaling. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-device-pools-sccp-time-from-signaling

BibTeX

@misc{warmtransfer-claim-cucm-device-pools-sccp-time-from-signaling,
  title  = {Unified CM device pools and device configuration model: source note cucm-device-pools-sccp-time-from-signaling},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cucm-device-pools-sccp-time-from-signaling},
  note   = {Source note cucm-device-pools-sccp-time-from-signaling, checked 2026-09-24}
}

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