I need help with 3 audio play to udp

I need an scrip to control HD1010 with EM100. I have 3 audio play that out to expansionboard. If is posible I need, the scrip configure the ip config. When I send with the sistem control the string "PLAY" by UDP the sistem play audio a in expansion 1, audio b in expansion 2 and audio c in expansion 3. When sistem es play respons "INPLAY". When the sistem end to play, send "END" and wait to reciver other UDP "PLAY" to play again. I am looking for on the farom but I don't compres de information. Can I help me. Please Thank very much. Jordi Martorell Cid