CORTELCO Single line Phone Instruction Manual
This instruction manual outlines how to install and use CORTELCO Single line Phones, including details on required USOC jack types and safety precautions. Features include receiver volume control compliant with FCC requirements. Models covered include 2500XX-V0E-20MD, 2500XX-V0E-57MD, 2500XX-VBA-20MD, 2500XX-VBA-57MD, 2554XX-V0E-20MD, 2554XX-V0E-27MD, 2554XX-VBA-20MD, and 2554XX-VBA-27MD.