When a device cannot onboard, Microsoft says to verify the provisioning server URL begins with HTTP and not HTTPS.
Checked 2026-10-02
- Vendor
- Microsoft
- Product
- Microsoft Teams SIP Gateway
- Subsystem
- provisioning
- 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 > I can't onboard my device > step 3
Cite this note
APA
WarmTransfer. (2026, October 2). Troubleshooting phones signing in through Teams SIP Gateway: source note teams-sip-gateway-troubleshooting-url-http-not-https. WarmTransfer. https://warmtransfer.net/knowledge/claims/teams-sip-gateway-troubleshooting-url-http-not-https
BibTeX
@misc{warmtransfer-claim-teams-sip-gateway-troubleshooting-url-http-not-https,
title = {Troubleshooting phones signing in through Teams SIP Gateway: source note teams-sip-gateway-troubleshooting-url-http-not-https},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/teams-sip-gateway-troubleshooting-url-http-not-https},
note = {Source note teams-sip-gateway-troubleshooting-url-http-not-https, checked 2026-10-02}
}