B.2 NNI Charging information

29.4583GPPProtocol specificationRelease 8SIP Transfer of IP Multimedia Service Tariff InformationTISPANTS

For SIP Transfer of Charging Information the regarding SIP messages shall be able to transport the following basic information:

  • Charging Message Type, see clause B.2.1.
  • Add On Charging Information, see clause B.2.2.
  • Charging Tariff Information, see clause B.2.3.

B.2.1 Charging Message Type

The following Charging Message Types shall be applicable:

crgt Charging Tariff Information.

aocrg Add On Charging Information.

B.2.2 Add On Charging Information

Add On Charging information is used to add an amount of charge for the communication and does not alter the current tariff. The Destination Identification is not available in an initial AddOnChargingInformation message, in all subsequent ones it is included. In the message the add-on charge has either the pulse or currency format.

Add On Charging Information shall contain the following elements:

  • Charging Control Indicators(optional), see clause B.3.2.1; and
  • Add On Charge, see clause B.2.2.1; and
  • Origination Identification, see clause B.3.1.1; and
  • Destination Identification (optional), see clause B.3.1.2; and
  • Currency(optional), see clause B.3.2.2.

B.2.2.1 Add On Charge

Add On Charge shall contain the following elements:

  • Add On Charge Currency, see clause B.2.2.1.1; or
  • Add On Charge Pulse, see clause B.2.2.1.2.

B.2.2.1.1 Add On Charge Currency

The Add On Charge Currency element shall be coded as Currency Factor Scale type, see clause B.3.2.3.

B.2.2.1.2 Add On Charge Pulse

The Add On Charge Pulse element shall be coded as Pulse Units type, see clause B.3.2.4.

B.2.3 Charging Tariff Information

This information is used to transfer explicit tariff data to the originating subscriber’s network and the charge registration AS during communication set-up and also in the active phase of a communication. The Destination Identification is not available in an initial Charging Tariff Information, in all subsequent ones it is included.

Charging Tariff Information shall contain the following elements:

  • Charging Control Indicators, see clause B.3.2.1; and
  • Charging Tariff, see clause B.2.3.1; and
  • Origination Identification, see clause B.3.1.1; and
  • Destination Identification (optional), see clause B.3.2; and
  • Currency, see clause B.3.2.2.

B.2.3.1 Charging Tariff

The Charging Tariff shall contain the following elements

  • Tariff Currency, see clause B.2.3.1.1; or
  • Tariff Pulse, see clause B.2.3.1.2.

B.2.3.1.1 Tariff Currency

The Tariff Currency shall contain the following elements:

  • Current Tariff Currency (optional), see clause B.2.3.1.1.1; and
  • Tariff Switch Currency (optional), see clause B.2.3.1.1.2.
B.2.3.1.1.1 Current Tariff Currency

The Current Tariff Currency shall be coded as communication charge currency type, see clause B.3.2.5.

B.2.3.1.1.2 Tariff Switch Currency

The Tariff Switch Currency shall be coded as Tariff Switch Currency type, see clause B.2.3.1.1.2.1.

B.2.3.1.1.2.1 Tariff Switch Currency

Tariff Switch Currency shall contain the following elements:

  • Next Tariff Currency, see clause B.2.3.1.1.2.1.1; and
  • Tariff Switchover Time, see clause B.2.3.1.1.2.1.2.

B.2.3.1.1.2.1.1 Next Tariff Currency

Next Tariff Currency shall be coded as Tariff Currency Format type, see clause B.2.3.1.1.2.1.1.1.

B.2.3.1.1.2.1.1.1 Tariff Currency Format type

The Tariff Currency Format type shall contain the following elements:

  • Communication Charge Sequence Currency (optional), see clause B.3.2.5; and
  • Tariff Control Indicators, see clause B.3.2.6; and
  • Call Attempt Charge Currency (optional), see clause B.3.2.7; and,
  • Call Setup Charge Currency (optional), see clause B.3.2.8.

B.2.3.1.1.2.1.1.1.1 Communication Charge Sequence Currency

The communication charge sequence currency is a direct charge in currency per time unit. Only one fixed time unit is used. This time unit has to be agreed between all cooperating networks, e.g. one second. Being fixed, the time unit is not transferred.

The Communication Charge Sequence Currency shall contain a sequence with 1 up to 4 elements coded as Communication Charge Currency, see clause B.3.2.5.

B.2.3.1.1.2.1.2 Tariff Switchover Time

Tariff Switchover Time shall be coded as Tariff Switchover Time type, see clause B.3.2.6.

B.2.3.1.2 Tariff Pulse

The Tariff Pulse shall contain the following elements:

  • Current Tariff Pulse (optional), see clause B.2.3.1.2.1; and
  • Tariff Switch Pulse (optional), see clause B.2.3.1.2.2.
B.2.3.1.2.1 Current Tariff Pulse

Current Tariff Pulse shall be coded as Tariff Pulse Format type, see clause B.3.2.11.

B.2.3.1.2.2 Tariff Switch Pulse

Tariff Switch Pulse shall be coded as Tariff Switch Pulse type, see clause B.2.3.1.2.2.1.

B.2.3.1.2.2.1 Tariff Switch Pulse Type

The Tariff Switch Pulse type shall contain the following elements:

  • Next Tariff Pulse, see clause B.2.3.1.2.2.1.1; and
  • Tariff Switchover Time, see clause B.2.3.1.2.2.1.2.

B.2.3.1.2.2.1.1 Next Tariff Pulse

Next Tariff Pulse shall be coded as Tariff Pulse Format type, see clause B.3.2.11.

B.2.3.1.2.2.1.2 Tariff Switchover Time

Tariff Switchover Time shall be coded as Tariff Switchover Time type, see clause B.3.2.9.