For Calling auto-assignment the work number must be in E.164 format, pre-provisioned at a valid Webex Calling location, and not assigned to another user or service; otherwise the user is not provisioned with Webex Calling.

Checked 2026-09-30

If any of the validation fails or if the number is not included, then that user is not provisioned with Webex Calling.
Vendor
Cisco
Product
Webex Calling
Subsystem
licensing
Deployment
multi-tenant
Region
not restricted
Release range
current as of 2026-09-30
Checked
2026-09-30

Sources

Cite this note

APA

WarmTransfer. (2026, September 30). Synchronizing users into Webex from Entra ID or Active Directory: source note webex-directory-sync-setup-calling-number-prereq. WarmTransfer. https://warmtransfer.net/knowledge/claims/webex-directory-sync-setup-calling-number-prereq

BibTeX

@misc{warmtransfer-claim-webex-directory-sync-setup-calling-number-prereq,
  title  = {Synchronizing users into Webex from Entra ID or Active Directory: source note webex-directory-sync-setup-calling-number-prereq},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/webex-directory-sync-setup-calling-number-prereq},
  note   = {Source note webex-directory-sync-setup-calling-number-prereq, checked 2026-09-30}
}

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