Microsoft's workaround for the unavailable one-time-code enrolment in GCC is Zero Touch Common Area Phone sign-in, which uses the SIP remote login portal with the CAP account, a region (NOAM, EMEA or APAC) and the device MAC in XX-XX-XX-XX-XX-XX format.
Checked 2026-10-02
- Vendor
- Microsoft
- Product
- Microsoft Teams SIP Gateway
- Subsystem
- enrolment
- Deployment
- gcc
- Region
- us-government
- 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 enroll my device by using a one-time verification code (workaround)
Cite this note
APA
WarmTransfer. (2026, October 2). Troubleshooting phones signing in through Teams SIP Gateway: source note teams-sip-gateway-troubleshooting-gcc-zero-touch. WarmTransfer. https://warmtransfer.net/knowledge/claims/teams-sip-gateway-troubleshooting-gcc-zero-touch
BibTeX
@misc{warmtransfer-claim-teams-sip-gateway-troubleshooting-gcc-zero-touch,
title = {Troubleshooting phones signing in through Teams SIP Gateway: source note teams-sip-gateway-troubleshooting-gcc-zero-touch},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/teams-sip-gateway-troubleshooting-gcc-zero-touch},
note = {Source note teams-sip-gateway-troubleshooting-gcc-zero-touch, checked 2026-10-02}
}