Source note · Wrong or missing caller ID on outbound calls
In Unified CM 15 the External Presentation Number accepts up to 32 digits, with trailing X characters replaced by directory-number digits from right to left, and the External Presentation Name accepts up to 50 characters.
Checked 2026-09-25
- Vendor
- Cisco
- Product
- Unified Communications Manager
- Subsystem
- SIP trunk identity
- Deployment
- on-premises
- Region
- not restricted
- Release range
- Release 15 and SUs
- Checked
- 2026-09-25
Sources
- Feature Configuration Guide for Cisco Unified Communications Manager, Release 15 and SUs - Separate Calling Party Number and Billing Number in SIP — Cisco · tier 2 current vendor documentation · Configuration field descriptions for External Presentation Name and Number
Cite this note
APA
WarmTransfer. (2026, September 25). Wrong or missing caller ID on outbound calls: source note caller-id-presentation-problems-cucm-presentation-fields. WarmTransfer. https://warmtransfer.net/knowledge/claims/caller-id-presentation-problems-cucm-presentation-fields
BibTeX
@misc{warmtransfer-claim-caller-id-presentation-problems-cucm-presentation-fields,
title = {Wrong or missing caller ID on outbound calls: source note caller-id-presentation-problems-cucm-presentation-fields},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/caller-id-presentation-problems-cucm-presentation-fields},
note = {Source note caller-id-presentation-problems-cucm-presentation-fields, checked 2026-09-25}
}