Ldp Big Telephone Call Billing Machine

Features of our LDP Big Telephone Call Billing Machines are : -

* Battery backup 45 Hours
* Operates exclusively on 16KHz metering pulses
* 4000 backup calls memory
* Automatic DTMF/Pulse dialing detection
* Storage of 10,000 Station names
* Display of call station names
* 16X2 Character LCD Display with backlight
* Membrane Key Pad 5X4 matrix
* Two Booth Display can be connected
* Automatic switch off LCD & Booth display when phone is in idle mode, to improve battery life
* Prepaid amount facility
* Menu driven user friendly software
* Individual barring of local/Group/STD/ISD calls
* Password protection for programming security
* Automatic Day report at a 00:00a hours
* Automatic Buzzer indication and display of battery low condition on LCD
* Buzzer sound for every unit/start of the call
* Beep/Buzzer ON/OFF facility
* Printer ON/OFF facility
* Battery Backup when Mains is off
* Inbuilt battery charger
* Advance Microcontroller & HCMOS design
* Low Power Consumption
* Booth name can be entered through key board
* Booth quotaion can be entered through keyboard
* G.D Tubes and MOV's are provided for protection from surges and high voltage on the telephone line and AC mains