Source note · CUCM to Webex Calling migration
An estate standardised on Cisco 6800 series phones running Enterprise firmware faces hardware replacement rather than firmware conversion, so a migration business case built only on licence costs will understate the true cost.
inferred · Checked 2026-09-16
The Cisco 6800 series IP phones cannot be upgraded from Enterprise firmware to Multiplatform (MPP) firmware, which is required for Webex Calling.
- Vendor
- Cisco
- Product
- Webex Calling
- Subsystem
- device support
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-04
- Status
- inferred
- Checked
- 2026-09-16
Sources
- Transitioning from Unified CM to Webex Calling — Deployment Guide — Cisco Systems, Inc. (CTG TME) · tier 2 current vendor documentation · Prepare, Inventory existing devices and clients, Desk Phones, page 28
Cite this note
APA
WarmTransfer. (2026, September 16). CUCM to Webex Calling migration: source note field-pattern-device-refresh-budget. WarmTransfer. https://warmtransfer.net/knowledge/claims/field-pattern-device-refresh-budget
BibTeX
@misc{warmtransfer-claim-field-pattern-device-refresh-budget,
title = {CUCM to Webex Calling migration: source note field-pattern-device-refresh-budget},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/field-pattern-device-refresh-budget},
note = {Source note field-pattern-device-refresh-budget, checked 2026-09-16}
}