I'm encountering some difficulties when controlling my SoundBridge M400 via UPnP. The SetAVTransportURI and SetNextAVTransportURI do not work properly. The soundbridge always says "Unable to play UPnP song..." or if I specify meta data as well, it says "Unable to play <songtitle>..." Anyway it is not playing. If I select the song manually on the soundbridge using the IR remote control, everything works. So the soundbridge gernerally can connect to my servers.
I have tried all software versions and different servers with different network setups.
Currently I am using the most recent version 3.0.4 but it still has the same behaviour. All other commands as Play Pause Stop and so on work great as well.
Can you please advise.
Thanks in advance and best regards,