Further information for Telecom Behnke BT 20-892 - 6 door speakerphone perpendicular
6-door speakerphone Consisting of vertically: - Large basic electronics for phones with integrated electronics (up to 8 RT, TSR 1, 1 LP, 1 MIC, 2 BO, 1 AL, 1 VID electronics extension possibleness). - Electronic expansion, where the real functions : Aluminum