For Cisco 6821, 6841, 6851, 6861, 6871, 7811, 7821, 7841, 7861, 8811, 8841, 8845, 8851, 8861 and 8865 Microsoft lists minimum firmware 11.1.1MPP and approved firmware 12-0-7MPP; the 8832 has minimum 11.3.5MPP and approved 12-0-7MPP.
Checked 2026-09-30
- Vendor
- Microsoft
- Product
- Microsoft Teams Phone
- Subsystem
- SIP Gateway compatible devices
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-30
- Checked
- 2026-09-30
Sources
- Plan SIP Gateway — Microsoft · tier 2 current vendor documentation · Compatible devices table, Cisco rows
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-cisco-mpp-firmware. WarmTransfer. https://warmtransfer.net/knowledge/claims/teams-sip-gateway-setup-cisco-mpp-firmware
BibTeX
@misc{warmtransfer-claim-teams-sip-gateway-setup-cisco-mpp-firmware,
title = {Setting up SIP Gateway for Cisco and Poly phones on Teams: source note teams-sip-gateway-setup-cisco-mpp-firmware},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/teams-sip-gateway-setup-cisco-mpp-firmware},
note = {Source note teams-sip-gateway-setup-cisco-mpp-firmware, checked 2026-09-30}
}