Zoom Phone Local Survivability Field Guide - Overview

Publisher

Zoom Communications

URL

https://library.zoom.com/zoom-workplace/zoom-phone/zoom-phone-local-survivability-field-guide/overview

Published

unknown

Updated

unknown

Accessed

2026-09-25

HTTP status

200

License

Zoom website terms of use; no-redistribution; short excerpts and locators only

Source notes citing this source

• Zoom puts device failover to a ZPLS module at about three minutes, depending on device count, and the return to normal operation at about five minutes after cloud connectivity is restored. in context
• Zoom Phone Local Survivability (ZPLS) is an on-premises virtual appliance that supports calls between users at a common site when Zoom Phone data centers are unreachable. in context
• ZPLS monitors cloud availability with routine SIP OPTIONS pings and enters survivability mode only when both the module and the client devices cannot reach the site's SIP zones. in context
• The ZPLS field guide lists voicemail, call pickup, Auto Receptionist, Call Queue, escalation to a 4+ party conference, end-to-end encrypted calling and nomadic e911 as unavailable in survivability mode. in context

Cite this source record

APA

WarmTransfer. (2026, September 25). Zoom Phone Local Survivability Field Guide - Overview. WarmTransfer. https://warmtransfer.net/knowledge/sources/zoom-library-zpls-field-guide-overview

BibTeX

@misc{warmtransfer-zoom-library-zpls-field-guide-overview,
  title  = {Zoom Phone Local Survivability Field Guide - Overview},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/sources/zoom-library-zpls-field-guide-overview},
  note   = {Zoom Communications, accessed 2026-09-25}
}