How to add radio streams to bouquet

[emidge]

#SERVICE 4097:0:0:0:0:0:0:0:0:0:asx%3a//bbc.co.uk/radio/listen/live/r1.asx:BBC Radio 1
#DESCRIPTION BBC Radio 1

I have tried adding this to a radio bouquet but it does not work, do I need to install a plugin.