Section 7.8.6. Call Data Recording for Incoming Connections

7.8.6. Call Data Recording for Incoming Connections

Cost parameters for incoming connections are assigned to the circuit (trunk) using the parameters CARRIER and ZONE in the AMOs TACSU, TDCSU, and TSCSU.

CARRIER: Network operator
ZONE: distance zone (INC01 to INC09, EMPTY); you must configure the ZONE with the AMO TTBL

Expand the circuit parameters (AMO COT) for incoming connections by four values relating to charges:

ICZL: Incoming call data recording via the zone or the line
ICZO: Incoming call data recording exclusively via the zone
CATR: Transfer charges in the transit node. CATR works in the transit node if the incoming and outgoing circuits are analog circuits and charges should be passed on in transit. CATR is not a part of the INCDR feature; it was introduced for the China feature. With INCDR, charges are always transferred in transit for digital lines.
TRSC: Line with amounts (instead of units). TRSC works when there are digital lines in transit. Because charges for incoming connections are not transferred in transit, TRSC is explained in Section 68.5, "Call Data Recording for Outgoing Connections".

IMPORTANT:

Because of outgoing connection handover with call data recording in the remote system, the table for outgoing connections applies, in spite of the incoming seizure (see Table 51, Figure 92).

Table 50. AMO FEASU and AMO COSSU parameters (incoming connections)

AMO FEASU	AMO COSSU	Meaning (Axxx=authorization for specific service)
CM=DISCHNW	Axxx = CDRSTN	Meaning (Axxx=authorization for specific service)
yes	yes	Charges displayed on the station display
no	yes	No charges whatsoever displayed on the station display
any	no	No charges whatsoever displayed on the station display

An incoming, transferred connection is shown in Figure 92: The original chargeable connection from node 1 to node 2 (e.g., CO) is transferred to a station in node 3, where it is an incoming connection. Nevertheless, the charge-related memory areas (COSTI buffers) must be created as with an outgoing connection. For this reason, you must set up DISCHNW (for the call detail memory) and CDRSTN (for the station) in node 3.

Figure 88. Example of an incoming transferred connection

Configuration commands:

Activate the feature for incoming trunk and tie traffic (including call charge display) as follows:
```
CHA-FEASU:TYPE=A,CM=CDRIC&DISCHTR&DISCHNW; 
```

Set the COT parameter as follows:

CHA-COT:COTNO=15,COTTYPE=COTADD,PAR=ICZO;

Change the trunk configuration as follows:
```
CHA-TDCSU:PEN=<g-uu-bbb-sss>,COTNO=15,
CARRIER=1,ZONE=INC01;
```
Table 52 shows the effect of the COT parameters ICZL and ICZO in combination with the trunk AMO parameters CARRIER and ZONE.

Define the class of service (COS) with CDRSTN authorization and assign it to the stations at which the charges should be displayed. Assign the COS to the station with the AMOs ACSU, SCSU, SBCSU, but you must also assign it to a circuit whose protocol cannot transfer the classmarks with the AMOs TACSU, TSCSU, TDCSU.

CHA-COSSU:TYPE=COS,COS=5,AVCE=CDRSTN,AFAX=CDRSTN,
ADTE=CDRSTN;
 
CHA-SCSU:STNO=<number>,COS1=5,COS2=5;

Table 51. AMO TxCSU ans AMO COT parameters (incoming connections)

AMO TxCSU	AMO COT		Effect
ZONE	ICZL	ICZO	Effect
not EMPTY	yes	no	Calculation of costs using cost parameters, calculation of costs based on call charge information via the line are dominant.
not EMPTY	no	yes	Calculation of costs using cost parameters (ZONE).
EMPTY	yes	no	No calculation of costs using cost parameters, but instead calculation of costs based on call charge information via the line.
EMPTY	no	yes	Call detail recording without calculation of costs.
any	no	no	No call data recording.

Table 53 shows how the AMO FEASU settings and the CDRSTN station authorization affect the call data recording.

Table 52. AMO FEASU and AMO COT parameters (incoming connections)

AMO FEASU			AMO COSSU	Meaning (Axxx=authorization for specific service)
CM=CDRIC	CM= DISCHNW	CM= DISCHTR	Axxx =CDRSTN	Meaning (Axxx=authorization for specific service)
yes	yes	yes	yes	Trunk and networking call data is recorded for this station and all charges are displayed.
yes	no	yes	yes	Trunk and networking call data is recorded for this station and the trunk charges are displayed.
yes	yes	no	yes	Trunk and networking call data is recorded for this station and networking charges are displayed.
yes	any	any	no	Trunk and networking call data is recorded for this station but no charges are displayed.
yes	no	no	any
no	any	any	any	Call data is not recorded for any station and no charges are displayed.

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