If a device does not update after a successful sign-in, one cause Microsoft lists is a user from a different tenant who signed in and did not sign out gracefully; that user should sign in and sign out again.
Checked 2026-10-02
- Vendor
- Microsoft
- Product
- Microsoft Teams SIP Gateway
- Subsystem
- authentication
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-10-02
- Checked
- 2026-10-02
Sources
- Common Issues When Using SIP Devices With Teams — Microsoft · tier 2 current vendor documentation · Common Issues When Using SIP Devices With Teams > My device doesn't update after I sign in successfully > step 3
Cite this note
APA
WarmTransfer. (2026, October 2). Troubleshooting phones signing in through Teams SIP Gateway: source note teams-sip-gateway-troubleshooting-other-tenant-signout. WarmTransfer. https://warmtransfer.net/knowledge/claims/teams-sip-gateway-troubleshooting-other-tenant-signout
BibTeX
@misc{warmtransfer-claim-teams-sip-gateway-troubleshooting-other-tenant-signout,
title = {Troubleshooting phones signing in through Teams SIP Gateway: source note teams-sip-gateway-troubleshooting-other-tenant-signout},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/teams-sip-gateway-troubleshooting-other-tenant-signout},
note = {Source note teams-sip-gateway-troubleshooting-other-tenant-signout, checked 2026-10-02}
}