Network Requirements

The Vocera Secure Texting application requires one-time configuration of your enterprise firewall to allow specific types of network traffic.

Ask your IT Administrator to open the following ports on the enterprise firewall:

Table 1. Port requirements for VST iOS clients
Description Protocol Port Number Direction Destination Host

Vocera on-premises system => Vocera cloud

TCP

443

Outbound

wss://sync-texting.vocera.com/ws/SyncService or the following IP addresses:

  • 52.4.96.202
  • 52.5.210.78
  • 52.6.65.17
  • 52.6.205.238
  • 52.7.230.54
  • 54.88.243.57

VST iOS Client => APNS (Apple Push Notification Service)

TCP

443

5223

Outbound

gateway.push.apple.com

Table 2. Port requirements for VST Android clients
Description Protocol Port Number Direction Destination Host

Vocera on-premises system => Vocera cloud

TCP

443

Outbound

wss://sync-texting.vocera.com/ws/SyncService or the following IP addresses:

  • 52.4.96.202
  • 52.5.210.78
  • 52.6.65.17
  • 52.6.205.238
  • 52.7.230.54
  • 54.88.243.57

VST Android Client => GCM (Google Cloud Messaging)

TCP

5228

5229

5230

Outbound

android.googleapis.com