Because the Extension option is matched against registered Webex Calling endpoints and premise PBX agents are told to use Dial Number, a Unified CM phone is most safely reached by signing in with Dial Number rather than Extension.

inferred · Checked 2026-10-01

Vendor
Cisco
Product
Webex Contact Center
Subsystem
agent sign-in
Deployment
multi-tenant
Region
not restricted
Release range
current as of 2026-10-01
Status
inferred
Checked
2026-10-01

Sources

Cite this note

APA

WarmTransfer. (2026, October 1). Using Unified CM phones as Webex Contact Center agent stations: source note wxcc-cucm-agent-station-setup-ucm-phone-use-dial-number. WarmTransfer. https://warmtransfer.net/knowledge/claims/wxcc-cucm-agent-station-setup-ucm-phone-use-dial-number

BibTeX

@misc{warmtransfer-claim-wxcc-cucm-agent-station-setup-ucm-phone-use-dial-number,
  title  = {Using Unified CM phones as Webex Contact Center agent stations: source note wxcc-cucm-agent-station-setup-ucm-phone-use-dial-number},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/wxcc-cucm-agent-station-setup-ucm-phone-use-dial-number},
  note   = {Source note wxcc-cucm-agent-station-setup-ucm-phone-use-dial-number, checked 2026-10-01}
}

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