Making Calls: External and Internal 104 FlexSet 120/280 User Guide
Display Message Key LED
7) In certain systems the cost, or number of meter units, of the call
are displayed, after an external call terminates. This appears for a
short while, or until another call is made or received, in the format
defined for your system.
COST $$$
xxxxx.y
COST $$$
zzzzzzzz
COST
xxxxx.y$$$
COST
zzzzzzzz$$$
METER
mmmmmm
$$$ = currency unit
xxxxx = cost 00,000 to 99,999 currency units
y = cost 1/10s
zzzzzzzzz = cost 00,000,000 to 99,999,999 currency units
mmmmmm = number of meter units
8) On external calls routed via an ISDN trunk, call messages are
displayed (i.e. connection status, call fail, etc.)