Seven-digit dial strings on a Webex Calling device using the US dial plan overlap with seven-digit local PSTN dialing; Cisco suggests adding a padding digit to the numbering schema.
Checked 2026-09-24
- Vendor
- Cisco
- Product
- Webex Calling
- Subsystem
- dial plan
- Deployment
- multi-tenant
- Region
- us
- Release range
- current as of 2026-09-24
- Checked
- 2026-09-24
Sources
- Design to migrate from Unified CM to Webex Calling — Cisco Systems, Inc. (Webex Help Center) · tier 2 current vendor documentation · Dial plan section, overlapping dial strings
Cite this note
APA
WarmTransfer. (2026, September 24). Building a hybrid Unified CM and Webex Calling environment for a phased migration: source note cucm-webex-calling-hybrid-build-seven-digit-overlap. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-webex-calling-hybrid-build-seven-digit-overlap
BibTeX
@misc{warmtransfer-claim-cucm-webex-calling-hybrid-build-seven-digit-overlap,
title = {Building a hybrid Unified CM and Webex Calling environment for a phased migration: source note cucm-webex-calling-hybrid-build-seven-digit-overlap},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-webex-calling-hybrid-build-seven-digit-overlap},
note = {Source note cucm-webex-calling-hybrid-build-seven-digit-overlap, checked 2026-09-24}
}