Because SIP does not carry a number type, calls over SIP trunks use only the Incoming Number settings for the Unknown calling party number type.

Checked 2026-09-24

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, current as of 2026-09-24
Checked
2026-09-24

Sources

Cite this note

APA

WarmTransfer. (2026, September 24). Unified CM translation and transformation patterns: source note cucm-translation-patterns-sip-number-type-unknown. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-translation-patterns-sip-number-type-unknown

BibTeX

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

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