The Advertised Failover Number on a directory number makes its enterprise or +E.164 alternate number the PSTN failover, used when routing over VoIP to the global dial plan element fails.
Checked 2026-10-01
- Vendor
- Cisco
- Product
- Cisco Unified Communications Manager
- Subsystem
- Global Dial Plan Replication
- Deployment
- on-premises
- Region
- not restricted
- Release range
- Release 15 and SUs
- Checked
- 2026-10-01
Sources
- System Configuration Guide for Cisco Unified Communications Manager, Release 15 and SUs - Configure Global Dial Plan Replication — Cisco Systems · tier 2 current vendor documentation · Provision Global Dial Plan Data; Global Dial Plan Replication Overview > PSTN failover
Cite this note
APA
WarmTransfer. (2026, October 1). Setting up ILS and Global Dial Plan Replication in Unified CM: source note cucm-ils-gdpr-setup-pstn-failover-number. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-ils-gdpr-setup-pstn-failover-number
BibTeX
@misc{warmtransfer-claim-cucm-ils-gdpr-setup-pstn-failover-number,
title = {Setting up ILS and Global Dial Plan Replication in Unified CM: source note cucm-ils-gdpr-setup-pstn-failover-number},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-ils-gdpr-setup-pstn-failover-number},
note = {Source note cucm-ils-gdpr-setup-pstn-failover-number, checked 2026-10-01}
}