Panasonic EB-GD95 - Manual (Page 41)

Call Duration
1 From Idle mode press Q, select Phone Menu > Call Service
> Calls and press Q
Note: The Calls function is SIM dependent. If the SIM does not
support this function then items under Calls menu will be found
directly under Call Service menu.
2 Use e to select one of the functions described below, and
press Q
.The Last Call function will display the duration and call charge, if
available, of the last call during Idle mode or the current call during a
call. Times are indicated as: hours (0-99), minutes (0-59), seconds
(0-59) - HH:MM:SS.
The All Calls function displays the accumulated duration and call
charge, if available, of Incoming and Outgoing calls. The lock code
or PIN2 is required to reset the timer and call charge.
Call Charges
To maintain control over the cost of calls that are made, the phone
can be set to restrict use to a finite number of units overall. This
function is SIM dependent.
Setting the Unit Price
Firstly, a price per unit must be entered. This is the cost that the
Service Provider charges for one unit of call time.
1 From Idle mode press Q, select Phone Menu > Call Service
> Service Charges > Price/Unit and press Q
2 Press Q to edit the values
At this point you will be asked to enter your PIN2 or Lock code then
press Q.
3 Enter a currency unit (up to three characters) and press Q
twice
4 Enter a price and press Q twice
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Call Information