Source note · E.164 numbering and dial string normalization
CUCM 15 supports sending the '+' international escape character on outgoing calls over SIP trunks and MGCP gateways; H.323 gateways do not support it and QSIG trunks do not attempt to send it.
Checked 2026-09-23
- 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 · International escape character (+) section
Cite this note
APA
WarmTransfer. (2026, September 23). E.164 numbering and dial string normalization: source note e164-numbering-cucm-plus-by-protocol. WarmTransfer. https://warmtransfer.net/knowledge/claims/e164-numbering-cucm-plus-by-protocol
BibTeX
@misc{warmtransfer-claim-e164-numbering-cucm-plus-by-protocol,
title = {E.164 numbering and dial string normalization: source note e164-numbering-cucm-plus-by-protocol},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/e164-numbering-cucm-plus-by-protocol},
note = {Source note e164-numbering-cucm-plus-by-protocol, checked 2026-09-23}
}