Sell sell call meter via LCD display

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It makes total all call which made until press reset button .
It shows at one time which person make few calls
I has extra monitor for client
It has 2x16 LCD display .
Dialled number , price , counter and duration are shown at LCD display .
It has 6 digit password for security
It shows daily and monthly total price .
Daily total price can be shown easily
Monthly total not be erased
50 prefixes can be entered for inside country
20 groups can be entered for international .
It saves last 1000 call with price , counter, duration time , date and dialed numbers
Beginning and ending calls can be report
Report can be observe forward and backward
It feeds directly from PTT line.
Programing from Remote