Once the route group is assigned, the ZPLS module tries to establish a TLS connection with the SBC, and OPTIONS pings, if enabled, verify ongoing connectivity.

Checked 2026-10-01

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

Sources

Cite this note

APA

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

BibTeX

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

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