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External COM Port Phone Bill Calculator:
Our external COM port phone bill calculator is used to manage many phone lines at
the same time. Working with a computer (PC), it connects via a COM port.
Capacity:
1) JT08ccb: 8 lines maximum
2) JT16ccb: 16 lines maximum
Features and specifications:
1) Requires computer with available COM port
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) Automatically adds up the charge of all bills
7) Internal modem supports centralized management
8) Excellent built-in surge protection, excellent stabilization
Operational parameters:
1) Avoid rain, dust, direct sunlight
2) Temperature: -20 |
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