VOICE_IN_USE
voice->timing->flags &= ~(VOICE_IN_USE | VOICE_SSO_TIMING |
voice->flags &= ~(VOICE_IN_USE | VOICE_SSO_TIMING | VOICE_SYNC_TIMING);
if (voice->flags & VOICE_IN_USE)
voice->flags |= VOICE_IN_USE;
if (voice->flags & VOICE_IN_USE)
voice->flags |= VOICE_IN_USE;