The VoipMediaEngine..::.PHONE_LINE_VU_METER_DATA type exposes the following members.

Fields

  NameDescription
BufferLengthInBytes
The number of bytes in the sample block.
PhoneLine
The zero based phone line number.
SampleBuffer
A pointer to a 20 Ms 8k PCM sample block.
UserData
Application instance data. The value specified in this structure is the same as the UserData parameter that is specified in a call to the SetPhoneLineVuMeterCallback(VoipMediaEngine, Int32, VoipMediaEngine..::.PHONE_LINE_VU_METER_CALLBACK_PROC, Object) API procedure.

See Also