Source note · Setting up Zoom Phone local survivability with Zoom Node

ZPLS is the third-priority registrar for supported devices, after the primary and secondary cloud SIP zones; during normal operation it does not handle calls and sends OPTIONS pings to the site's SIP zones.

Checked 2026-10-01

Vendor: Zoom
Product: Zoom Phone Local Survivability
Subsystem: failover
Deployment: hybrid
Region: not restricted
Release range: current as of 2026-10-01
Checked: 2026-10-01

Sources

Zoom Phone Local Survivability | Zoom Technical Library — Zoom Communications · tier 2 current vendor documentation · How ZPLS works

Cite this note

APA

WarmTransfer. (2026, October 1). Setting up Zoom Phone local survivability with Zoom Node: source note zoom-phone-local-survivability-setup-third-registrar. WarmTransfer. https://warmtransfer.net/knowledge/claims/zoom-phone-local-survivability-setup-third-registrar

BibTeX

@misc{warmtransfer-claim-zoom-phone-local-survivability-setup-third-registrar,
  title  = {Setting up Zoom Phone local survivability with Zoom Node: source note zoom-phone-local-survivability-setup-third-registrar},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/zoom-phone-local-survivability-setup-third-registrar},
  note   = {Source note zoom-phone-local-survivability-setup-third-registrar, checked 2026-10-01}
}

Read in context