On Hold Music Options:
{"onholdmusic":{"disable_volume":"off","design_skin":"skin-wave","disable_scrubbar":"off","skinwave_dynamicwaves":"on","skinwave_enablereflect":"on","skinwave_mode":"small","design_wave_color_bg":"c4d773","design_wave_color_progress":"FFFFFF","skinwave_wave_mode_canvas_waves_number":"80","skinwave_wave_mode_canvas_waves_padding":"3","skinwave_wave_mode_canvas_reflection_size":"0","settings_php_handler":"wpdefault","pcm_data_try_to_generate":"on","pcm_notice":"off","notice_no_media":"on"}}