In Webex Calling all extensions in a deployment have the same length, and the internal extension length can be set to any value from two to ten digits.
Checked 2026-09-25
All extensions in a Webex Calling deployment have the same length.
- Vendor
- Cisco
- Product
- Webex Calling
- Subsystem
- dial plan
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-25
- Checked
- 2026-09-25
Sources
- Design to migrate from Unified CM to Webex Calling — Cisco Systems, Inc. (Webex Help Center) · tier 2 current vendor documentation · Dial plan design; extension length paragraph and Internal extension length parameter
Cite this note
APA
WarmTransfer. (2026, September 25). Migrating a Unified CM dial plan to Webex Calling or Teams: source note dial-plan-migration-wxc-ext-length-global. WarmTransfer. https://warmtransfer.net/knowledge/claims/dial-plan-migration-wxc-ext-length-global
BibTeX
@misc{warmtransfer-claim-dial-plan-migration-wxc-ext-length-global,
title = {Migrating a Unified CM dial plan to Webex Calling or Teams: source note dial-plan-migration-wxc-ext-length-global},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/dial-plan-migration-wxc-ext-length-global},
note = {Source note dial-plan-migration-wxc-ext-length-global, checked 2026-09-25}
}