GitHub - KilianB/Java-Sonos-Controller: Sonos controller api with UPnP event support. Examples show text to speech on speakers and local music file playback.
Jamcast - DLNA/UPnP/Sonos/Xbox for Android - Download
A look behind the scenes - Sam Neirinck
Sonos One and DLNA | Sonos Community
Using Sonos with Draytek – Issues
Sonos not playing upnp from Innuos Zen Mini Mk3 | Sonos Community
os-upnp: can I use it to access Sonos from a different subnet?
APP][Pro] Universal Media Player - A Generic storages place for your Homey, speakers, tv's or other media devices - Apps - Homey Community Forum
GitHub - pbrengard/sonos-upnp-controller: Node.js-based application and UPnP library to control a Sonos system
Testing and Feedback - Sonos controller skill (yet another one) - Skill Feedback - Mycroft Community Forum
Sonos : UPnP Error 501 and Large Sonos Installations · Issue #82513 · home-assistant/core · GitHub
Help with accessing a UPnP (DLNA) server | Sonos Community
SONOS ERROR (ERROR 800)-- Cant play any local media through any sonos on my network when starting from home assistant - Configuration - Home Assistant Community
Quick reference guide uPnP use in xxter (e.g. Sonos)
Sonos Hub - Hackster.io
Jamcast - DLNA/UPnP/Sonos/Xbox for Android - Download