Source note · E.164 numbering and dial string normalization

Because SIP has no number type, CUCM SIP trunks apply only the Incoming Number prefix settings configured for calling party number type Unknown.

Checked 2026-09-23

SIP does not support the number type, so calls through SIP trunks support only the Incoming Number settings for calling party number types of Unknown.

Vendor: Cisco
Product: Unified Communications Manager
Subsystem: calling party normalization
Deployment: on-premises
Region: not restricted
Release range: Release 15 and SUs
Checked: 2026-09-23

Sources

System Configuration Guide for Cisco Unified Communications Manager, Release 15 and SUs - Calling Party Normalization — Cisco · tier 2 current vendor documentation · Restrictions section

Cite this note

APA

WarmTransfer. (2026, September 23). E.164 numbering and dial string normalization: source note e164-numbering-cucm-sip-no-number-type. WarmTransfer. https://warmtransfer.net/knowledge/claims/e164-numbering-cucm-sip-no-number-type

BibTeX

@misc{warmtransfer-claim-e164-numbering-cucm-sip-no-number-type,
  title  = {E.164 numbering and dial string normalization: source note e164-numbering-cucm-sip-no-number-type},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/e164-numbering-cucm-sip-no-number-type},
  note   = {Source note e164-numbering-cucm-sip-no-number-type, checked 2026-09-23}
}

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