Это
case 5: client_cmd(0, "spk buttons/5_second.wav, timer")
case 4: client_cmd(0, "spk buttons/4_second.wav, timer")
case 3: client_cmd(0, "spk buttons/3_second.wav, timer")
case 2: client_cmd(0, "spk buttons/2_second.wav, timer")
case 1: client_cmd(0, "spk buttons/1_second.wav, timer")
Замени...