Locations must have a primary number, prefixes are recommended when multiple locations exist, mixing prefixed and non-prefixed locations and overlapping extensions across locations can both cause unexpected routing, and Cisco recommends Enterprise Significant Numbers for all internal calls to and from Webex Contact Center.

Checked 2026-09-16

Enterprise Significant Number (ESN) for all internal calls to and from Webex Contact Center
Vendor
Cisco
Product
Webex Contact Center with Webex Calling
Subsystem
locations and numbers
Deployment
multi-tenant
Region
not restricted
Release range
current as of 2026-09-16
Checked
2026-09-16

Sources

Cite this note

APA

WarmTransfer. (2026, September 16). Webex Calling with Webex Contact Center: source note wxcc-call-extension-number-location-rules. WarmTransfer. https://warmtransfer.net/knowledge/claims/wxcc-call-extension-number-location-rules

BibTeX

@misc{warmtransfer-claim-wxcc-call-extension-number-location-rules,
  title  = {Webex Calling with Webex Contact Center: source note wxcc-call-extension-number-location-rules},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/wxcc-call-extension-number-location-rules},
  note   = {Source note wxcc-call-extension-number-location-rules, checked 2026-09-16}
}

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