Migrate devices and features from Unified CM to Webex Calling

Publisher

Cisco Systems, Inc. (Webex Help Center)

URL

https://help.webex.com/en-us/article/d2lemv/Migration-of-Devices-and-Features-From-Cisco-unified-Communications-Manager(UCM)-to-Webex-Calling-Multi-Tenant

Published

2026-08-21

Updated

unknown

Accessed

2026-09-04

HTTP status

200

License

Cisco proprietary documentation, all rights reserved; no-redistribution; short excerpts and locators only

Claims citing this source

• The native devices and features migration tool does not generate call park and call pickup groups; Cisco directs administrators to a supplementary Python tool for those objects. fact in context
• 2 current Cisco help articles disagree on the Control Hub menu label for the migration area: the Unified CM data migration article says Services then Upgrades and Migrations, while the devices and features article says Services then Updates and Migrations. disputed in context
• The devices and features migration tool is reached in Control Hub under Services, Updates and Migrations, in the Migration utilities section, on the Migrate features from Unified CM card. fact in context
• The devices and features migration tool covers Auto-Attendant, Devices, Configured Lines, Device Layout including speed dial and shared line, Virtual Line, Call Queue, Hunt Group, Call Park, and user calling data comprising call forwarding and call monitoring. fact in context
• Some Unified CM auto attendant configurations are reported by the tool as having no equivalent feature in Webex Calling and therefore cannot be migrated. fact in context
• Cisco states that the devices and features migration steps also apply to Dedicated Instance, not only to Webex Calling multi-tenant. fact in context
• Cisco references a supplementary open Python tool named UserBasedUCMFeatureMigration that filters output by user list, resolves group-feature dependencies, and generates a DNInMultipleDevicePool.csv report for extension conflicts. fact in context
• The Unified CM .tar file uploaded to the devices and features migration tool is limited to 350 MB. fact in context
• An optional Cisco Unity Connection export produced by the CallHandlerDataDump tool may be uploaded as a .zip file up to 2 GB. fact in context

Cite this source record

APA

WarmTransfer. (2026, August 21). Migrate devices and features from Unified CM to Webex Calling. WarmTransfer. https://warmtransfer.net/knowledge/sources/cisco-help-d2lemv-migrate-devices-features-ucm

BibTeX

@misc{warmtransfer-cisco-help-d2lemv-migrate-devices-features-ucm,
  title  = {Migrate devices and features from Unified CM to Webex Calling},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/sources/cisco-help-d2lemv-migrate-devices-features-ucm},
  note   = {Cisco Systems, Inc. (Webex Help Center), accessed 2026-09-04}
}