Cisco lists as benefits of +E.164 directory numbers that they are unique, simplify forced on-net routing, and give correct caller ID automatically across call flows.

Checked 2026-09-25

Vendor
Cisco
Product
Unified Communications Manager
Subsystem
dial plan design
Deployment
on-premises
Region
not restricted
Release range
Collaboration 14 Preferred Architecture
Checked
2026-09-25

Sources

Cite this note

APA

WarmTransfer. (2026, September 25). Unified CM globalized dial plan and +E.164 routing: source note cucm-dial-plan-globalization-pa-benefits. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-dial-plan-globalization-pa-benefits

BibTeX

@misc{warmtransfer-claim-cucm-dial-plan-globalization-pa-benefits,
  title  = {Unified CM globalized dial plan and +E.164 routing: source note cucm-dial-plan-globalization-pa-benefits},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cucm-dial-plan-globalization-pa-benefits},
  note   = {Source note cucm-dial-plan-globalization-pa-benefits, checked 2026-09-25}
}

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