+Template: disorder/interface
+Type: select
+Choices: local, network
+Default: local
+Description: Interface to use to play sound
+ 'local' means the default local sound device will be used. Use this
+ if you want to play through your sound card and don't want to play on any
+ other computers.
+ .
+ 'network' means sound will be transmitted over the network using RTP,
+ for instance to a multicast address. Use this option if you want to play
+ sound through more than one computer.
+
+Template: disorder/mcast_address
+Type: string
+Description: Destination address for network sound transmission
+ Sound data will be sent to this address using the RTP protocol. Users
+ would use (for instance) disorder-playrtp to play it. Typically this
+ would be a multicast address but this is not mandatory.
+
+Template: disorder/mcast_port
+Type: string
+Description: Destination port for network sound transmission
+ Sound data will be sent to this UDP port using the RTP protocol.
+