Dream Machine Sonos & UPS Configuration

I need two tight-scoped fixes on my Ubiquiti Dream Machine. 1) Sonos One discovery The speaker is Wi-Fi only, and both it and my phone run on the exact same SSID, yet the Sonos app can’t see the device at all... (Budget: £74 - £75 GBP, Jobs: Documentation, Network Administration, Network Engineering, Network Monitoring, Network Security, System Administration, Technical Support, Ubiquiti)