Source note · CUCM to Webex Calling migration
Cisco recommends selecting the Webex Calling instance that gives the lowest signalling round-trip times for the largest number of users in the deployment, and notes that the region is difficult to change afterwards.
Checked 2026-09-16
Cisco recommends selecting the Webex Calling instance which provides the lowest signaling round-trip times for the largest number of users within the deployment.
- Vendor
- Cisco
- Product
- not restricted
- Subsystem
- Unified CM to Webex Calling migration
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-16
- Checked
- 2026-09-16
Sources
- Design to migrate from Unified CM to Webex Calling — Cisco Systems, Inc. (Webex Help Center) · tier 2 current vendor documentation · Section: Identify the data center
Cite this note
APA
WarmTransfer. (2026, September 16). CUCM to Webex Calling migration: source note ucm-wxc-design-region-lowest-rtt. WarmTransfer. https://warmtransfer.net/knowledge/claims/ucm-wxc-design-region-lowest-rtt
BibTeX
@misc{warmtransfer-claim-ucm-wxc-design-region-lowest-rtt,
title = {CUCM to Webex Calling migration: source note ucm-wxc-design-region-lowest-rtt},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/ucm-wxc-design-region-lowest-rtt},
note = {Source note ucm-wxc-design-region-lowest-rtt, checked 2026-09-16}
}