I HAVE AN LEF-10C STATION IT IS CONNECTED TO A LE-D...THE 10C HAS VOICE TOO LE-D AND SOUNDS GREAT THE VOICE VOLUME ALSO WORKS...BUT LE-D NO VOICE TO LEF-1OC...I HAVE TRIED TWO WIRES WITH SHORTING CLIP ON BOTH UNITS AND THREE WIRES WITHOUT SHORTING CLIPS ON BOTH UNITS...NO DIFFERENCE AND THE LEF10-C DOES NOT CALL OR BUZZ, THE LE-D EITHER...PLEASE ANY IDEAS AND THANKS IN ADVANCE...JACK...