System requirements for ZPLS service module

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Below is the standard system configuration for deploying a Zoom Node server with the Zoom Phone Local Survivability service module

For information on what devices are supported with the Local Survivability service module, please see the following:

This article covers:

Default configuration

Note: The following configuration should be used when deploying your Zoom Node management server.

The recommended specifications for the Zoom Phone Local Survivability service module VM is as follows: 

  • VM Platform- VMware ESXi 6.7 or higher
  • Processor- Intel(R) Xeon(R) CPU E5-2630 v4 or higher
  • Dedicated threads- 8 or higher
  • Memory- 16 GB or higher
  • Storage space- 80 GB or higher
  • Network speed- 4 Gbps or higher

Note: If you require a different configuration, please open a ticket with Support.

Configurations based on capacity


Configuration Option 1

Configuration Option 2

Hardware Specs

16 Gb RAM

80 Gb HDD

16 CPU

16 Gb RAM

80 Gb HDD

Total number of registrations



Total number of concurrent calls

240 calls

480 calls

Calls per second (CPS)



Registrations per second (RPS)



Note: If the number of endpoints within a site enabled for survivability exceeds 5000, the ZPLS service module will process the first 5000 registrations on a first come first served basis. 

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