Relay Services are used to define how file transfers (e.g., for phone firmware upgrades and configuration), are routed to the Remote Worker endpoints.
Example: 2 For accessing the file server using HTTPS protocol
The following screenshot shows the newly created Relay Services

References: Configuring Remote Workers with Avaya Session Border Controller for Enterprise Rel. 6.2, Avaya Aura
Communication Manager Rel. 6.3 and Avaya Aura Session Managers Rel. 6.3 - Issue 1.0, page 73 https://downloads.avaya.com/css/P8/documents/100183254
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