Source note · Remote site survivability patterns
When one Survivability Gateway serves several physical locations, Enterprise Significant Numbers must be unique across those locations.
Checked 2026-09-24
Ensure that Enterprise Significant Numbers (ESNs) across different physical locations are unique.
- Vendor
- Cisco
- Product
- Webex Calling
- Subsystem
- survivability-gateway
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-24
- Checked
- 2026-09-24
Sources
- Site survivability for Webex Calling — Cisco Systems, Inc. (help.webex.com) · tier 2 current vendor documentation · Limitations and restrictions
Cite this note
APA
WarmTransfer. (2026, September 24). Remote site survivability patterns: source note survivability-remote-site-sgw-esn-unique. WarmTransfer. https://warmtransfer.net/knowledge/claims/survivability-remote-site-sgw-esn-unique
BibTeX
@misc{warmtransfer-claim-survivability-remote-site-sgw-esn-unique,
title = {Remote site survivability patterns: source note survivability-remote-site-sgw-esn-unique},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/survivability-remote-site-sgw-esn-unique},
note = {Source note survivability-remote-site-sgw-esn-unique, checked 2026-09-24}
}