SIP phones on SIP Gateway depend on call redirect, so the AllowCallRedirect attribute of the Teams calling policy must be set to Enabled; this also makes device-local call forwarding work.
Checked 2026-09-30
- Vendor
- Microsoft
- Product
- Microsoft Teams Phone
- Subsystem
- Calling policy
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-30
- Checked
- 2026-09-30
Sources
- Configure SIP Gateway — Microsoft · tier 2 current vendor documentation · Sync policy changes to SIP devices to enforce policies
Cite this note
APA
WarmTransfer. (2026, September 30). Setting up SIP Gateway for Cisco and Poly phones on Teams: source note teams-sip-gateway-setup-allow-call-redirect. WarmTransfer. https://warmtransfer.net/knowledge/claims/teams-sip-gateway-setup-allow-call-redirect
BibTeX
@misc{warmtransfer-claim-teams-sip-gateway-setup-allow-call-redirect,
title = {Setting up SIP Gateway for Cisco and Poly phones on Teams: source note teams-sip-gateway-setup-allow-call-redirect},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/teams-sip-gateway-setup-allow-call-redirect},
note = {Source note teams-sip-gateway-setup-allow-call-redirect, checked 2026-09-30}
}