TRTCSystemVolumeTypeVOIP property
The call volume mode will be always used, which is suitable for conferencing scenarios.
If the scenario you select during enterRoom is TRTC_APP_SCENE_VIDEOCALL or TRTC_APP_SCENE_AUDIOCALL, the SDK will automatically select this mode.
Implementation
static final int TRTCSystemVolumeTypeVOIP = 2;