Microsoft notes DHCP option 42 can specify the NTP server and DHCP option 2 the UTC offset in seconds for SIP Gateway devices, and the troubleshooting article points to DHCP settings when a device displays the wrong time.
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
- Configure SIP Gateway — Microsoft · tier 2 current vendor documentation · Configure SIP Gateway > Set the SIP Gateway provisioning server URL > Using DHCP
Cite this note
APA
WarmTransfer. (2026, October 2). Troubleshooting phones signing in through Teams SIP Gateway: source note teams-sip-gateway-troubleshooting-dhcp-42-ntp-2-utc. WarmTransfer. https://warmtransfer.net/knowledge/claims/teams-sip-gateway-troubleshooting-dhcp-42-ntp-2-utc
BibTeX
@misc{warmtransfer-claim-teams-sip-gateway-troubleshooting-dhcp-42-ntp-2-utc,
title = {Troubleshooting phones signing in through Teams SIP Gateway: source note teams-sip-gateway-troubleshooting-dhcp-42-ntp-2-utc},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/teams-sip-gateway-troubleshooting-dhcp-42-ntp-2-utc},
note = {Source note teams-sip-gateway-troubleshooting-dhcp-42-ntp-2-utc, checked 2026-10-02}
}