For destinations without a DID, the Collaboration 14 preferred architecture recommends an enterprise specific numbering (ESN) scheme of access code, site code and extension, for example 8-140-4XXX.

Checked 2026-09-24

Vendor
Cisco
Product
Unified Communications Manager
Subsystem
dial plan design
Deployment
on-premises
Region
not restricted
Release range
Collaboration 14 preferred architecture
Checked
2026-09-24

Sources

Cite this note

APA

WarmTransfer. (2026, September 24). Unified CM translation and transformation patterns: source note cucm-translation-patterns-pa-esn-non-did. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-translation-patterns-pa-esn-non-did

BibTeX

@misc{warmtransfer-claim-cucm-translation-patterns-pa-esn-non-did,
  title  = {Unified CM translation and transformation patterns: source note cucm-translation-patterns-pa-esn-non-did},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cucm-translation-patterns-pa-esn-non-did},
  note   = {Source note cucm-translation-patterns-pa-esn-non-did, checked 2026-09-24}
}

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