Serviio

i have tried several links in serviio online resource for audio streaming and i cannot get it to work ? this is the streaming link rtsp://streaming.btl.net/broadcast/krem.rm --- i can us the same link in VLC player and it works. i have use this link rtsp://streaming.btl.net/broadcast/love.rm and it works but the others that i have tried does not work in serviio but work in VLC. help??