Because SIP does not carry number type, calls through Unified CM SIP trunks support only the incoming calling party settings for number type Unknown.

Checked 2026-09-25

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
SIP trunk
Deployment
on-premises
Region
not restricted
Release range
12.5(1) through 15 and SUs
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-sip-unknown-type-only. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-dial-plan-globalization-sip-unknown-type-only

BibTeX

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

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