9.	Recommendation I.141



ISDN NETWORK CHARGING CAPABILITIES ATTRIBUTES



1.	Preamble



	On the basis of charging principles provided in the D.2xx-Series, this Recommendation covers the method for iden-
tifying the network charging capabilities and provides a candidate list of attributes in Annex 1.



2.	General



	ISDNs shall support a range of services as defined in the I.200-Series of Recommendations. Charging capabilities 
and mechanisms need to be associated with each service.



	To ensure that service charging requirements may be supported by network charging facilities, it is essential that 
the service requirements be specified in a format which simplifies the identification of network requirements. The 
attribute technique is considered an appropriate mechanism by which service requirements may be related to network 
requirements and has thus been utilized in this Recommendation.





















3.	ISDN services characteristics



	Specifically, the services to which network charging capabilities attributes should be applied are as given in Table 1/
I.141.



TABLE 1/I.141



			Service	Recommendations



			Bearer services	I.230-Series

			Teleservices	I.240-Series

			Supplementary services	I.250-Series



4.	Role and application of the attribute technique



	For each service defined in the I.200-Series Recommendations one set of attribute values should be selected for each 
network charging capability attribute. Assignment of attribute values for a specific service will allow the determinations of the 
network requirements relating to this service.



	The definition of charging requirements in terms of network charging capability attributes is intended to provide a link 
between the service charging characteristics and the respective network charging mechanisms.



	Network charging capability attributes are also intended to indicate the range of information to be transferred either 
within the signalling network or by some other means.



	Annex 1 lists the candidate network charging capability attributes and the possible values so far identified.

ANNEX 1



(to Recommendation I.141)



Candidate network charging capability attributes





TABLE A-1/I.141



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                   |	Attribute      | Possible Values      |                                      +末末末末末末末末+末末末末末末末末末末末+

                   | Charging capabilities                 |

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                   | Usage 2)       | Service requested    |

                   |                | Call attempt 1)      |

                   |                | Call set up          |

                   |                | Duration             |

                   |                | Volume               |

                   |                | Basis of provision   |

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                   | Modulation     | Distance             |

                   |                | Time of usage        |

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                   | Billing capabilities                  |

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                   | Billing        | Calling party (Sent  |

                   | identification | paid)                |

                   |                | Called party         |

                   |                | (Reverse/collect)    |

                   |                | Transferred (Third   |

                   |                | party)               |

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                   | Collection     | Subscriber billing   |

                   |                | Credit card          |

                   |                | Coin box             |

                   |                | Debit card           |

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                   | Mode           | On line              |

                   |                | Off line             |

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1) For further study



2) The identification and definition of values for supplementary services 

(e.g., registration, activation) is for further study.







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