Users are enabled for SIP Gateway by setting AllowSIPDevicesCalling to True in their Teams calling policy (Teams admin center setting 'SIP devices can be used for calls'); Microsoft's configure article states the default is False.

Checked 2026-10-02

The default value is `False`, so users will not be able to use their SIP devices unless you enable them.
Vendor
Microsoft
Product
Microsoft Teams SIP Gateway
Subsystem
calling-policy
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-allowsipdevices-default. WarmTransfer. https://warmtransfer.net/knowledge/claims/teams-sip-gateway-troubleshooting-allowsipdevices-default

BibTeX

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

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