1  What is counter device ?  
  It is a device showing  total of call is made by telephone at the moment.  
2  What is counter ?  
  The call is made by telephone billed according to dialed place and time. This unit time is called counter.This produces from program is made by PTT.12/16 Khz or reversal signal are conveyed to user during call.Same telephone exchange not produce these signals,in this case user must  use model of working without signal.  
4  Which one  should i choose KS6 or T6 ?  
  If you take 12/16 Khz signal or reversal signal from PTT, you should use KS6A,KS6B ,T6B.If you not take any signal from PTT,you should use T6P.  
5  What is advantages of Desan counter according the other counters?  
  1-Feature of easy usage is supply to client and user more confort.
2-Led display is supply to user easy seeing number which on the display.
3-Due to it not need battery ,it has not matter of changing battery and cost 
4-Additonal display is supply to client watching  total call ,it can be montaged max. 15 mt. 

 
 
  GENARAL QUESTIONS ABOUT COUNTER DEVICE    
     
1  Does it work at any telephone ?  
  It works with DTMF type telephone.  
2  Can i  see number of dialed on device ?  
  Number of dialed  shows  at all counter device except KS6  
3  Can i adjust myself price of call?  
  Yes,you can adjust yourself  price of call  by using button on KS6A and other type device by using button of telephone.  
4  Has it got periodical total ?  
  Yes, KS6A  has got 1 periodical total,other typies have got 2 periodical total.   
5  How can i see price of call if receiver of telephone is closed ?  
  İf you want to see price of call when receiver of telephone is closed ,you must press "ECRAN" button on the device  
6  Why additonal display is used ?  
  It uses for client observe price of call.Thus client not protest to price aftter call.  
7  How can i see billing ?  
  You can observe it only on display ,it hasn't got  printer  
8  Can i montage it myself ?  
  Yes, it is very easy  
9  Can  it total calls which is made consecutively ?  
  Yes, if you not press reset button ,it can total calls which is made consecutively  
10  How many telephone can be connected counter device ?  
  It can be connected for each device only one telephone
 
 
   QUESTIONS ABOUT COUNTER DEVICE WITH SIGNAL    
     
1  What is 12-16 Khz ,reversal signals ?  
  It comes from PTT for counter device make billing.  
2  Where can be use KS6A,B ?  
  It can be use where 12/16 Khz or reversal signal come from PTT.  
3  How can i take 12/16 Khz or reversal signal ?  
  You must apply to PTT via petition for take this signal.  
 
 
   QUESTIONS ABOUT PREPAID COUNTER DEVICE   
     
1  What is prepaid phone counter ?  
  Before the call is started, up to credit  request of customer can be entered by pressing button which on the phone counter device.This fee takes from customer before call.This constitus credit of customer.Call which is made fall down from this credit. If credit of customer run out, call will cut by phone counter device.when the call is finished by customer and if credit remained ,this remaining credit must refund to customer.
 
 
   QUESTIONS ABOUT VOIP  COUNTER DEVICE  
     
1  Which features need at voip gateway device ?  
  1-It must has go tone signal  
2-It must has got lifeline

3-It must has got entering prefix
 
 
2  What time does it start billing ?  
  When dialed number will answer ,it starts billing  
3  What is entering time ?  
  All countries and local can be billed at same duration .Duration can be entered between 0.1 sec to 999.9 sec.  
4  How can be entered  price ?  
  Each country's price is entered separately.Entering can be made by telephone's button or by PC more than easy .
 
 
   Failures and Solutions    
     
1  Display of device not working    
  Line of PTT may be cut.Line of PTT may be failure.
It may be has got  problem at telephone connection.
Microprocesssor may be failure .It may be has got problem at reset.
Zener diot may be failure .
Diots may be failure.
 
2  Counter   Not Thowring  
  Line of PTT may be cut.Billing signal may be cut.Billing signal may be disappear at line.
LM567 may be failure,condastor may be failure
Frequency temper may be changing
Distance may be very far.
 
3  Memory confusing  
  Reset may be failure ,93LCC46 may be failure  
4  Not making Reset  
  Reset button may be failure
Microproccessor may be failure
 
5  Counter not seen  
  Counter button may be failure
Microproccessor may be failure
 
6  Sometime throwing more than counter  
  There are one device constitute parasite near the line which come from PTT to you
There are another PTT line near the line which come from PTT to you
 
7  Some times throwing little counter  
  If frequency of counter at critical point ,it is  some time not accepted by device.  
     
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