SIP Gateway bulk sign-in signs in shared accounts in batches of up to 100 devices, with at most 3 concurrent batches per region. It works only within 72 hours of onboarding, or within 7 days of a device being signed out. Accounts must have CommonAreaPhone policy, a phone number and AllowSIPDevicesCalling, and must not have MFA.

Checked 2026-09-25

Vendor
Microsoft
Product
Teams SIP Gateway
Subsystem
SIP Gateway provisioning
Deployment
multi-tenant
Region
not restricted
Release range
as of 2026-03-23 page update
Checked
2026-09-25

Sources

Cite this note

APA

WarmTransfer. (2026, September 25). Teams phones and certified devices: source note teams-phone-devices-sipgw-bulk-signin. WarmTransfer. https://warmtransfer.net/knowledge/claims/teams-phone-devices-sipgw-bulk-signin

BibTeX

@misc{warmtransfer-claim-teams-phone-devices-sipgw-bulk-signin,
  title  = {Teams phones and certified devices: source note teams-phone-devices-sipgw-bulk-signin},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/teams-phone-devices-sipgw-bulk-signin},
  note   = {Source note teams-phone-devices-sipgw-bulk-signin, checked 2026-09-25}
}

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