The default Webex Calling internal extension length is 4 digits.
Checked 2026-09-25
You can enter 2-10 digits and the default is 4.
- 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
- Configure your Webex Calling dial plan — Cisco Systems · tier 2 current vendor documentation · Internal dialing settings; Extension length
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-default. WarmTransfer. https://warmtransfer.net/knowledge/claims/dial-plan-migration-wxc-ext-length-default
BibTeX
@misc{warmtransfer-claim-dial-plan-migration-wxc-ext-length-default,
title = {Migrating a Unified CM dial plan to Webex Calling or Teams: source note dial-plan-migration-wxc-ext-length-default},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/dial-plan-migration-wxc-ext-length-default},
note = {Source note dial-plan-migration-wxc-ext-length-default, checked 2026-09-25}
}