For Cisco IP Phone 8800 Series phones, Cisco requires a per-device enterprise-to-MPP migration license (SKU L-CP-E2M-88XX-CNV=) for conversions not destined for Webex Calling, and the phone must run enterprise firmware 14.2.1SR1 or later for the procedures to work.

Checked 2026-09-30

Vendor
Cisco
Product
Cisco IP Phone 8800 Series
Subsystem
Firmware conversion
Deployment
on-premises, multi-tenant
Region
not restricted
Release range
current as of 2026-09-30
Checked
2026-09-30

Sources

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-conversion-license-8800. WarmTransfer. https://warmtransfer.net/knowledge/claims/teams-sip-gateway-setup-cisco-conversion-license-8800

BibTeX

@misc{warmtransfer-claim-teams-sip-gateway-setup-cisco-conversion-license-8800,
  title  = {Setting up SIP Gateway for Cisco and Poly phones on Teams: source note teams-sip-gateway-setup-cisco-conversion-license-8800},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/teams-sip-gateway-setup-cisco-conversion-license-8800},
  note   = {Source note teams-sip-gateway-setup-cisco-conversion-license-8800, checked 2026-09-30}
}

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