1 files changed, 3 insertions, 0 deletions
diff --git a/wcte12xp/GpakApi.h b/wcte12xp/GpakApi.h
index e676b32..bd50926 100644
--- a/wcte12xp/GpakApi.h
+++ b/wcte12xp/GpakApi.h
@@ -77,6 +77,9 @@ typedef struct
     short int EcanCrossCorrLimit;  // Echo Can Cross Correlation limit 
     short int EcanNumFirSegments;  // Echo Can Num FIR Segments 
     short int EcanFirSegmentLen;   // Echo Can FIR Segment Length 
+    short int EcanTandemOperationEnable;   //Enable tandem operation 
+    short int EcanMixedFourWireMode; 	// Handle possible 4-wire (echo-free) lines
+
 } GpakEcanParms_t;
 
 /* Definition of a Channel Configuration information structure. */