13 CN3401DEN30GLN1a Basics of Charging Exercises

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3G Rel4 SCNOM

Basics of Charging Exercises

Basics of Charging

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Basics of Charging

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Contents

1 Objectives ...............................................................................................4

2 Charging Administration .......................................................................5

3 Detailed Charging...................................................................................7 3.1 Charging record and charging block handling..........................................7 3.2 Charging file in the Virtual Data Storage (VDS) .......................................8

4 Charging data collection and transfer to the Billing Centre ............10 4.1 Checking the states of charging files (normal situation).........................11 4.2 Backing up charging data from the hard disk to FDU (fault

situation).................................................................................................11 4.3 Interrogating the status of interfaces towards the Billing Centre

(BC)........................................................................................................12

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1 Objectives On completion of this module, you should be able to:

• Output and modify detailed charging parameters

• Set the charging control parameters

• Monitor the status of detailed charging files

• Interrogate the status of the interfaces towards the Billing Centre (if applicable)

• Back up charging data from the hard disk to FDU.

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2 Charging Administration Charging administration is mainly handled in command class "G", Charging Administration.

CHARGING ADMINISTRATION ? ..... DISPLAY MENU A ..... DYNAMIC DATA HANDLING B ..... HOT BILLING HANDLING C ..... CHARGING COUNTERS COPY HANDLING D ..... DAY CLASSES HANDLING E ..... CDR AND REPORT STORING HANDLING G ..... CHANGE GROUPS HANDLING N ..... CHARGING ZONES HANDLING O ..... CHARGING COUNTER OUTPUT HANDLING R ..... CHARGING MONITORING HANDLING T ..... DETAILED CHARGING HANDLING Z; .... RETURN TO MAIN LEVEL

Figure 1. Command class "G", charging administration

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Furthermore, command group "IF" has commands used for virtual file administration (charging records).

VIRTUAL DATA STORING DEVICE HANDLING COMMANDS ? ..... DISPLAY MENU S: ..... SET DISK FILE STATUS A: ..... SET DISK ALARM LIMITS F: ..... DEFINE FILE AND STORING RELATED PARAMETERS N: ..... INITIALIZE VDS DEVICE T: ..... DEFINE TIME CONTROL FOR CHANGING DISK FILES M: ..... MODIFY FTAM ATTRIBUTES H: ..... DEFINE CONTROL FILE HANDLING Q: ..... DEFINE Q3 TRANSFER UP READY PARAMETERS C: ..... COPY DATA FILES O: ..... DISPLAY CONTROL FILES P: ..... DISPLAY FILE STATUS MAP I: ..... INTERROGATE DISK FILE INFORMATION Z; ..... RETURN TO MAIN LEVEL

Figure 2. Command group "IF", virtual file handling

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3 Detailed Charging In this section we discuss the different charging records collected in the DX 200 system. The relevant parameters are interrogated and modified.

Note The operator cannot change the format of a charging record with MML commands. This always done by Nokia.

3.1 Charging record and charging block handling

1. Display the Detailed Charging menu.

Command: _________________________________________________

2. Display all the types of CDR formats (Hint: Using GAL command, but there is no need to execute the command.), and list the different types of charging records defined in this exchange.

_____________________________________________________

_____________________________________________________

_____________________________________________________

_____________________________________________________

_____________________________________________________

_____________________________________________________

_____________________________________________________

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3. Display the file description of the detailed charging record for a MOC.

Command: _________________________________________________

4. Display the contents of the last full charging block.

Command: _________________________________________________

5. You can set the charging block be stored from the RAM to the disk once a day, even if the block is not yet full. Output the parameters of detailed charging and see what is the charging block storing time.

Command: _________________________________________________

6. Set the charging block storing time to ______________________

Command: _________________________________________________

3.2 Charging file in the Virtual Data Storage (VDS)

1. Display the menu of the VDS device handling the command group (hint: IF-command group).

Command:____________________________________________

2. Output the disk file information.

Command(s):__________________________________________

_____________________________________________________

Disk file size: __________________________________________

Disk file amount: _______________________________________

Alarm limits:___________________________________________

Alarm cancels:_________________________________________

Daily disk file closing time:________________________________

Disk file closing interval:__________________________________

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3. Set the alarm limits at ______ and ______, and the corresponding cancel limits at ______ and ______

Command: _________________________________________________

4. Check your new alarm limits by outputting the information again.

Command: _________________________________________________

5. Set new time control values.

Command: _________________________________________________

6. Check your new control values.

Command: _________________________________________________

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4 Charging data collection and transfer to the Billing Centre

In the DX 200 MSC/HLR, the charging system is distributed into several computer units. In the HLR, the detailed charging function (creating and saving the charging records) uses the disks of the statistical unit (STU). In the MSC, the detailed charging function uses a charging unit (CHU). The charging files are transferred from the Winchester disk of the STU/CHU using the FTAM file transfer application. The X.25 connection is provided by the BDCU.

1. Start Call

2. End Call charging

record

STU/CHU OMU

BDCU SU

chargingblock

4. Write block into Charging Files

6. Backup to DAT Tape

5. Transfer to Billing Center Via BDCU

7. Take DAT to BC

chargingblock

TTCHAB

call record

DAT

DAT

3.

3. Generate Record and put into TTCHAB

Figure 3. Collection of charging data and transfer to the Billing Centre

Charging data collection and transfer to the Billing Centre

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4.1 Checking the states of charging files (normal situation)

In daily work, O&M people should check the states of all charging files. Normally, all charging files should have a "Transferred" state. This means that "Full" charging files have already been transferred to the Billing Centre.

7. Which logical file is used for transferring CDRs in a charging block (RAM) to the disk? _____________________________________________________

8. Which VDS-No. is connected to this logical file (for CHU)? (Hint: IID command.)

_____________________________________________________

9. Check states of all charging files in the CHU.

Command: _________________________________________________

10. How many charging files have a "FULL" state?

_____________________________________________________

If there are many "FULL" charging files, this means that charging files can not be transferred to the Billing Centre (BC). You should check if the data communication link between the MSC/HLR and the BC is faulty.

4.2 Backing up charging data from the hard disk to FDU (fault situation)

If the data communication link between the MSC/HLR and the BC has been faulty for a few days, to correct the problem you should back up the charging data ‘FULL’ files to FDU.

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11. Check the charging files which are in FULL state.

Command:____________________________________________

12. Insert the MO disk.

If it is not formatted, format the MO disk first.

Command:____________________________________________

If it is formatted, initialise the MO disk.

Command:____________________________________________

13. Copy files from hard-disk of CHU to MO disk.

Command:____________________________________________

14. Eject the MO disk.

4.3 Interrogating the status of interfaces towards the Billing Centre (BC)

It is possible to interrogate the interface towards the BC if it exists in a OCD Test Bed - if there is a connection between the MSC and the BC.

In this exercise you will interrogate LAN (TCP/IP) interfaces independently of an existing BC connection. It is sufficient to have LAN (TCP/IP) interface defined in the MSC and run the following commands:

Interrogating the status of the LAN (TCP/IP) interface towards the BC 1. Interrogate TCP/IP Network Interface Data.

Command: _______________________________

2. Interrogate TCP/IP Route Data.

Command: _______________________________

3. Interrogate TCP/IP Service Data.

Command: _______________________________

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13 CN3401DEN30GLN1a Basics of Charging Exercises