Dynamic emergency calling including security desk notification is not supported on the Teams web client, and Microsoft's remedy is to turn off the Web PSTN calling setting in a Teams calling policy assigned to web client users.

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-no-web-client. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-to-teams-phone-emergency-no-web-client

BibTeX

@misc{warmtransfer-claim-cucm-to-teams-phone-emergency-no-web-client,
  title  = {CUCM to Teams Phone migration: source note cucm-to-teams-phone-emergency-no-web-client},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cucm-to-teams-phone-emergency-no-web-client},
  note   = {Source note cucm-to-teams-phone-emergency-no-web-client, checked 2026-09-21}
}

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