SIP trunks and MGCP gateways can send the international escape character + on calls, but H.323 gateways do not support +.

Checked 2026-09-24

H.323 gateways do not support the +.
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-plus-sip-mgcp-not-h323. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-translation-patterns-plus-sip-mgcp-not-h323

BibTeX

@misc{warmtransfer-claim-cucm-translation-patterns-plus-sip-mgcp-not-h323,
  title  = {Unified CM translation and transformation patterns: source note cucm-translation-patterns-plus-sip-mgcp-not-h323},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cucm-translation-patterns-plus-sip-mgcp-not-h323},
  note   = {Source note cucm-translation-patterns-plus-sip-mgcp-not-h323, checked 2026-09-24}
}

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