For Direct Routing users, dynamic enablement of emergency calling or dynamic configuration of security desk notification requires both trusted IP addresses and network sites to be configured; if only dynamic locations are required, trusted IP addresses alone are enough.

Checked 2026-09-21

Vendor
Microsoft
Product
Teams Phone
Subsystem
emergency-calling
Deployment
multi-tenant
Region
not restricted
Release range
current as of 2026-09-21
Checked
2026-09-21

Sources

Cite this note

APA

WarmTransfer. (2026, September 21). CUCM to Teams Phone migration: source note cucm-to-teams-phone-emergency-dr-network-settings. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-to-teams-phone-emergency-dr-network-settings

BibTeX

@misc{warmtransfer-claim-cucm-to-teams-phone-emergency-dr-network-settings,
  title  = {CUCM to Teams Phone migration: source note cucm-to-teams-phone-emergency-dr-network-settings},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cucm-to-teams-phone-emergency-dr-network-settings},
  note   = {Source note cucm-to-teams-phone-emergency-dr-network-settings, checked 2026-09-21}
}

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