While a Dedicated Instance site runs on the Enhanced Survivability Node, voicemail, auto attendant, MRA registration and RedSky emergency call routing are unavailable.

Checked 2026-09-24

Vendor
Cisco
Product
Webex Calling Dedicated Instance
Subsystem
enhanced-survivability-node
Deployment
dedicated-instance
Region
not restricted
Release range
current as of 2026-09-24
Checked
2026-09-24

Sources

Cite this note

APA

WarmTransfer. (2026, September 24). Remote site survivability patterns: source note survivability-remote-site-esn-unsupported. WarmTransfer. https://warmtransfer.net/knowledge/claims/survivability-remote-site-esn-unsupported

BibTeX

@misc{warmtransfer-claim-survivability-remote-site-esn-unsupported,
  title  = {Remote site survivability patterns: source note survivability-remote-site-esn-unsupported},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/survivability-remote-site-esn-unsupported},
  note   = {Source note survivability-remote-site-esn-unsupported, checked 2026-09-24}
}

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