Bulk sign-in requires the site public IP addresses to be added as trusted IPs in Teams admin center at least 24 hours before running the bulk sign-in cmdlets.

Checked 2026-10-02

Vendor
Microsoft
Product
Microsoft Teams SIP Gateway
Subsystem
bulk-sign-in
Deployment
multi-tenant
Region
not restricted
Release range
current as of 2026-10-02
Checked
2026-10-02

Sources

Cite this note

APA

WarmTransfer. (2026, October 2). Troubleshooting phones signing in through Teams SIP Gateway: source note teams-sip-gateway-troubleshooting-bulk-trusted-ip-24h. WarmTransfer. https://warmtransfer.net/knowledge/claims/teams-sip-gateway-troubleshooting-bulk-trusted-ip-24h

BibTeX

@misc{warmtransfer-claim-teams-sip-gateway-troubleshooting-bulk-trusted-ip-24h,
  title  = {Troubleshooting phones signing in through Teams SIP Gateway: source note teams-sip-gateway-troubleshooting-bulk-trusted-ip-24h},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/teams-sip-gateway-troubleshooting-bulk-trusted-ip-24h},
  note   = {Source note teams-sip-gateway-troubleshooting-bulk-trusted-ip-24h, checked 2026-10-02}
}

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