A Teams phone that is not signed in, or has no internet connection, cannot place 911 calls; the phone shows a notification when this is the case.

Checked 2026-09-25

If a phone isn't signed in, or if it doesn't have an Internet connection, 911 calls can't be placed.
Vendor
Microsoft
Product
Microsoft Teams phones
Subsystem
emergency calling
Deployment
multi-tenant
Region
us
Release range
current as of 2026-09-25
Checked
2026-09-25

Sources

Cite this note

APA

WarmTransfer. (2026, September 25). Teams phones and certified devices: source note teams-phone-devices-911-requires-signin. WarmTransfer. https://warmtransfer.net/knowledge/claims/teams-phone-devices-911-requires-signin

BibTeX

@misc{warmtransfer-claim-teams-phone-devices-911-requires-signin,
  title  = {Teams phones and certified devices: source note teams-phone-devices-911-requires-signin},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/teams-phone-devices-911-requires-signin},
  note   = {Source note teams-phone-devices-911-requires-signin, checked 2026-09-25}
}

Read in context