Product Name: Internal PCI Phone Bill CalculatorModel Number: JT08CCPS/JT16CCPSPlace of Origin: ChinaOur internal PCI phone bill calculator is used to manage many phone lines at the same time. Working with a computer (PC), it connects to the main board via a PCI slot. Capacity: 1) JT08ccps: 8 lines maximum 2) JT16ccps: 16 lines maximum Features and specifications: 1) Requires computer with available PCI slot 2) Conforms to national design standards 3) Multiple rate types include: international, national, local call, special call, toll-free call, and forbid call 4) Can charge by the polarity change, delay to charge or manual charge 5) Automatically identify the dialed number with a timer error of less than 1 second 6) Can query the most recent 11,000 bills including number called, duration and charge 7) Automatically adds up the charge of all bills 8) Internal modem, supports centralized management 9) Can download price and upload bills remotely 10) Excellent built-in surge protection, excellent stabilization 11) Internal battery, can operate more than 96 hours without external power Operational parameters: 1) Avoid rain, dust, direct sunlight 2) Temperature: -20°C to +40°C 3) Relative humidity: 10% to 95% 4) Timing precision: reversed polarity signal timing precision 5) Double audio receive code: >99.99% 6) Damp: ≤0.5dB