WarmTransfer
numbering identity · stub

E.164 numbering and dial string normalization

Verified 2026-09-04 · 2 claims · sources tier 2

Stub. This topic has 2 verified claims and no published article. The claims below are exactly what the corpus holds today.

So far, no summary has been generated for this topic. The claims below are what the corpus currently holds.

See also

Referenced by

Claims

#ClaimStatusConfidenceVerified
1For calls resolving to Webex Calling, plus-prefixed E.164 patterns are evaluated first, then enterprise number patterns with no normalisation applied beforehand, and finally domain or URI patterns; where several patterns match, the most specific wins and range patterns using X are preferred over prefix patterns using the exclamation mark.
Cisco Preferred Architecture for Webex Calling — Design Overview · Patterns and pattern matching, page 30
fact0.902026-09-04
2Phone numbers must follow E.164 format for all countries except the United States, where national format is also accepted.
Manage phone numbers in Control Hub · Number formatting
fact0.902026-09-04

Sources

tier 2 current vendor documentation

Cisco Preferred Architecture for Webex Calling — Design Overview

Cisco Systems, Inc. (CTG TME) · 2025-08 · accessed 2026-09-04

tier 2 current vendor documentation

Manage phone numbers in Control Hub

Cisco Systems, Inc. (Webex Help Center) · 2026-07-23 · accessed 2026-09-04

Cite this page

APA

WarmTransfer. (2026, September 4). E.164 numbering and dial string normalization. WarmTransfer. https://warmtransfer.net/knowledge/e164-numbering

BibTeX

@misc{warmtransfer-e164-numbering,
  title  = {E.164 numbering and dial string normalization},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/e164-numbering},
  note   = {Verified 2026-09-04}
}