Source note · CUCM to Webex Calling migration
The migration flow offers 3 documented number-assignment scenarios by the PSTN model of the Webex locations involved: where all locations are local gateway, Add numbers to location is enabled and Auto assign numbers is greyed out; where all locations are Cloud Connected PSTN or Cisco PSTN, Auto assign numbers is enabled and Add numbers to location is greyed out; and where the locations are a mix of premises-based PSTN and Cloud Connected or Cisco PSTN, both options are greyed out.
Checked 2026-09-16
Scenario 3 : In the migration flow, if the Webex location is a mix of premises-based PSTN and Cloud connected PSTN or Cisco PSTN. Add numbers to location and Auto assign numbers are greyed out.
- Vendor
- Cisco
- Product
- Webex Calling
- Subsystem
- Unified CM to Webex Calling migration
- Deployment
- multi-tenant, dedicated-instance
- Region
- not restricted
- Release range
- current as of 2026-09-04
- Checked
- 2026-09-16
Sources
- Migrate Unified CM data to Webex Calling — Cisco Systems, Inc. (Webex Help Center) · tier 2 current vendor documentation · Scenarios for Auto Assign numbers and Add numbers to location, Scenario 1 to Scenario 3
Cite this note
APA
WarmTransfer. (2026, September 16). CUCM to Webex Calling migration: source note wxc-mig-number-assignment-varies-by-pstn. WarmTransfer. https://warmtransfer.net/knowledge/claims/wxc-mig-number-assignment-varies-by-pstn
BibTeX
@misc{warmtransfer-claim-wxc-mig-number-assignment-varies-by-pstn,
title = {CUCM to Webex Calling migration: source note wxc-mig-number-assignment-varies-by-pstn},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/wxc-mig-number-assignment-varies-by-pstn},
note = {Source note wxc-mig-number-assignment-varies-by-pstn, checked 2026-09-16}
}