6.1.6.2. Incoming Trunk Calls and Tie Trunk Traffic 
You can configure the call detail recording for all types of analog and digital lines.
For the
charge calculation, a cost parameter is used that you can configure for each trunk
using the
administration. The system specifies the clock.
During an incoming Euro-ISDN call, any charges announced with AOC-S
(Advice of Charge (Setup) = charge notification at the start of the connection),
AOC-D (charge notification during the connection), or AOC-E (charge notification
at the end of the connection) are used for charge calculation in the
call detail recording.
During an incoming analog call with call charge units, a CDR record
can be recorded if needed. However, this does not result in any cost
billing (collect call). Information may be missing in the CDR records
if this information is not transmitted by the remote analog station.
Figure 81. Configuration for incoming tie trunk traffic
Configuring System Features
AMO FEASU
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Record call charges for incoming network and
trunk calls.
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Display call charges for incoming trunk calls
on the station display
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Display call charges for incoming network-wide
traffic on the station display
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AMO COT
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Incoming CDR over zone or line
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Activate incoming call detail recording by circuit
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The line sends charge amounts to the originating
node (valid for INCDR. If TRSC is not set, units are reported to the
originating node so that the value UNIT is set there as the system date
with AMO ZAND, TYPE=CCD, parameter CDDISPEX.
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AMO TACSU / AMO TDCSU
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Carrier (for cost computation) (1 - 9)
When
calculating costs for incoming connections, the trunk circuits can be
allocated cost parameters that are made up of CARRIER and ZONE. CARRIER
and ZONE, which always work in combination, must be parameterized with
AMO TTBL.
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Distance zone for call charges based on time
(EMPTY, INC01 - INC09)
When calculating costs for incoming connections,
the line circuits can be allocated cost parameters that are made up of
CARRIER and ZONE. CARRIER and ZONE, which always work in combination,
must be parameterized with AMO TTBL. The empty zone, for which no charges
are incurred according to time, is assigned by default.
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AMO TTBL
- WOCU
Tariff tables 1 - 25 without charge information (ZONE=INC01 - INC09)
- WCU
Tariff tables 1 - 25 with charge information (pulse tariff 0, 23 ....)