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Call duration
Press , and select
Tools
>
Log
.
To monitor the approximate duration of your
incoming and outgoing calls, select
Call duration
.
Note: The actual time invoiced for calls by
your service provider may vary, depending on
network features, rounding off for billing, and so
forth.
To clear call duration timers, select
Options
>
Clear timers
. For this you need the lock code.