The Extension option is a short-form internal number that the sign-in attempts to match to a registered Webex Calling endpoint, and matching it unlocks phone control features such as choosing a preferred device.

Checked 2026-09-16

An Extension is a short-form internal number.
Vendor
Cisco
Product
Webex Contact Center with Webex Calling
Subsystem
agent endpoints
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-matches-endpoint. WarmTransfer. https://warmtransfer.net/knowledge/claims/wxcc-call-extension-matches-endpoint

BibTeX

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

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