The below FAQ should help sorting out issues with the Polycom Trio's ability of Local Display of Apple® AirPlay® certified devices via Screen Mirroring.
First of all a license is required to use this feature.
You may not use the feature on one or more devices than you have a valid license for until a license or additional licenses have been purchased. These licenses should be purchased from the same company from which you purchased the devices. Polycom reserves the right to audit your deployment to verify that you have sufficient licenses to match the number of devices being used.
Part Number aka SKU: 5150-84981-001
To enable the Feature simply create a configuration file with the following:
<test content.airplayServer.enabled="1" content.airplayServer.name="AdvertisedNamePleaseChange" />
Usually a compatible device will send a Standard query to 184.108.40.206 on port 5353 to "search" for compatible devices.
A compatible device will then send back a Standard query response advertising its own name and IP.
0928115503|airpl|3|00|Adding 10.252.149.63 to the replay list
The above shows the MacBookAir connecting to the Polycom Trio using the AirPlay Library logging module at Event 3.
A passcode can be used to secure connections and the Security Code is being displayd on the Visual+ screen:
Or on the Trio itself:
The parameter used for this is:
The code will change every 1440 minutes and after every session once disconnected.
Regarding AirPlay functionality over different VLANs (multicast routing) most Enterprise Wi-Fi vendors have “Bonjour gateways” included with the APs/Controllers.
Aruba Instant AirGroup
Aruba Controllers AirGroup