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1) 8 lines centralized management: Display call sum, duration and other related information.
2) Large LCD screen displays status of the corresponding port: On/off-hook, bill and lock/unlock.
3) With various tariff rates: International call, internal call, local call, specialism call, free call and forbidden call. It can save 800 items of rate.
4) Bill for incoming call and outgoing call as well.
5) Mode of billing startup: Polar-reverse, 12/16Khz pulse signal, manual and delay modes.
6) Bill check function: Call no., start/end time, duration, sum of the last 4000 call records.
7) Bill statistic: Daily total of the last 32 days, monthly total of the last 12 months and grand total.
8) 2 modes of settle: Each-call settle and multi-call settle. Each-call settle means the phone will lock and the sum indicates after each call, the next call can't be begun before unlock. Multi-call settle means won't lock until many calls are finished.
9) Built-in MODEM, support remote update rate or upload phone bills (optional).
10) Rechargeable batteries (optional). Can work about 8 hours continuously when power is cut off.
Model: TPJ-500V(8 LCD)