Cisco's Unified CM configuration adds abbreviated inter-site dialing normalization for Webex destinations, translating enterprise numbers to +E.164 before routing to the Webex partition.

Checked 2026-09-24

Vendor
Cisco
Product
Unified CM
Subsystem
dial plan
Deployment
on-premises
Region
not restricted
Release range
current as of 2026-09-24
Checked
2026-09-24

Sources

Cite this note

APA

WarmTransfer. (2026, September 24). Unified CM and Webex Calling coexistence during a migration: source note cucm-webex-calling-coexistence-ucm-esn-normalization. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-webex-calling-coexistence-ucm-esn-normalization

BibTeX

@misc{warmtransfer-claim-cucm-webex-calling-coexistence-ucm-esn-normalization,
  title  = {Unified CM and Webex Calling coexistence during a migration: source note cucm-webex-calling-coexistence-ucm-esn-normalization},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cucm-webex-calling-coexistence-ucm-esn-normalization},
  note   = {Source note cucm-webex-calling-coexistence-ucm-esn-normalization, checked 2026-09-24}
}

Read in context