.Pp

.Pp

.Bl -tag -width calledback -compact -offset

.Bl -tag -width calledback -compact -offset

.It Ar fix-unit-size

.It Ar fix-unit-size

.It Ar var-unit-size

.It Ar var-unit-size

idle algorithm which assumes that the charging is time based after the first

idle algorithm which assumes that the charging is time based after the first

units time has expired.

units time has expired.

.It Li shorthold mode for fixed unit charging

.It Li shorthold mode for fixed unit charging

For shorthold mode, the 

For shorthold mode, the 

.Em idle-algorithm-outgoing

.Em idle-algorithm-outgoing

.Em fix-unit-size

.Em fix-unit-size

.Em unitlength 

.Em unitlength 

and 

and 

.Em idletime-outgoing

.Em idletime-outgoing

Each call is divided into two periods, the first is the

Each call is divided into two periods, the first is the

.Em unchecked

.Em unchecked

period and the second is the

period and the second is the

.Em checked

.Em checked

period starts 1 second before the first units time expires.

period starts 1 second before the first units time expires.

.Pp

.Pp