CDMA HIGH PBX X S4 tone: {3700Hz 25ms 4000Hz 25ms} 8 times,
200ms OFF, {3700Hz 25ms 4000Hz 25ms} 8 times, 200ms OFF,
{3700Hz 25ms 4000Hz 25ms} 8 times, 200ms OFF,
{3700Hz 25ms 4000Hz 25ms} 8 times, 800ms OFF, REPEAT...
Syntax
Requirements
Namespace: Android.Media
Assembly: Mono.Android (in Mono.Android.dll)
Assembly Versions: 0.0.0.0