If a user has only an extension, the 'User's phone number' ECBN option does not appear; the same applies to extension-only workspaces and virtual lines.

Checked 2026-09-25

If the user has only the extension, the User's phone number option doesn't appear.
Vendor
Cisco
Product
Webex Calling
Subsystem
emergency-callback-number
Deployment
multi-tenant
Region
not restricted
Release range
current as of 2026-09-25
Checked
2026-09-25

Sources

Cite this note

APA

WarmTransfer. (2026, September 25). Emergency callback numbers in Webex Calling: source note webex-calling-ecbn-extension-only-no-own. WarmTransfer. https://warmtransfer.net/knowledge/claims/webex-calling-ecbn-extension-only-no-own

BibTeX

@misc{warmtransfer-claim-webex-calling-ecbn-extension-only-no-own,
  title  = {Emergency callback numbers in Webex Calling: source note webex-calling-ecbn-extension-only-no-own},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/webex-calling-ecbn-extension-only-no-own},
  note   = {Source note webex-calling-ecbn-extension-only-no-own, checked 2026-09-25}
}

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