This object defines the Clear FWD Signal (A,B,C,D bits) for KVF.6 cards. This object is an indication of Far PBX to the Near PBX, that the call was disconnected (on the Far side). Applicable only if Disconnect Supervision (mdlDs) is different from disable. Applicable only for KVF.6 cards. It represents 4 parameters, by an Octet: ( Bit 7 = MSB, Bit 0 = LSB ) D Bit - bits 6,7 of the MSB nibble, C Bit - bits 4,5 of the MSB nibble, B Bit - bits 2,3 of the LSB nibble, A Bit - bits 0,1 of the LSB nibble. For each of A,B,C,D Bits: 00 = 0, 01 = 1, 10 = reserved, 11 = x. For A,B,C,D Bits - 'x' won't be in use. When the object is not applicable, a 0 Octet will be sent.