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Charging method of number portable service in IP multimedia sub-system

A multimedia subsystem and number portability technology, applied in the field of communications, can solve the problems of inability to process number portability services, affecting the accuracy of billing, and not supporting number portability services.

Active Publication Date: 2008-11-19
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the ACR does not contain the relevant information of the number portability service, the above billing mode does not support the number portability service
In addition, the existing IMS billing method does not distinguish between the local network and the portable network of the number portability, so it cannot undertake the settlement function between the local network and the portable network
[0018] To sum up, the existing billing method of the IMS network cannot handle the number portability service, which affects the accuracy of billing

Method used

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  • Charging method of number portable service in IP multimedia sub-system
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Examples

Experimental program
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Embodiment Construction

[0047] The present invention will be described in detail below with reference to the drawings and embodiments.

[0048] Figure 5 A flow chart of a method for generating an ACR for an originating network and a terminating network of an IMS service in the full query mode and the release query mode, the method includes the following steps:

[0049] Step 501: After receiving the service request, the IMS service originating network initiates an NPDB query to check whether the called party has number portability;

[0050] Step 502: NPDB returns the query result (that is, the routing information of the called party) to the service initiation network;

[0051] The above routing information includes the LRN; if the called number is a toll-free number, the above routing information also includes the CIC.

[0052] Step 503: The service initiating network routes the service request to the called current portable network according to the routing information returned by the NPDB; the ser...

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Abstract

Disclosed is a charging method of the number-carrying service in the IP multimedia sub system network; if the initiating network and / or the terminating network of the IP multimedia sub system service judges that the called party of the service occurs the number- carrying, a number-carrying identifier is added to the charging request sent to the charging data functional entity; the charging data functional entity receives the charging request and acquires the charging request of the number-carrying service and the carrying network which the current called party belongs to according to the contained number-carrying identifier and has the corresponding charging processing towards the carrying network. The charging method is adopted to record the route information of the called number which has the number-carrying for the accurate charging; meanwhile, the corresponding Event ACR is generated when the NPDB query is processed in the apanage network to facilitate the payment between the apanage network of the called number and the current carrying network.

Description

technical field [0001] The invention relates to the communication field, in particular to a charging method for number portability services in an IP multimedia subsystem network. Background technique [0002] Number portability means that telecom customers still maintain their original telecom service numbers even when they change their permanent location or operator. In some areas, number portability is a mandatory requirement of the telecommunications regulatory department to protect the interests of vulnerable telecom operators; some operators also provide number portability within their own networks to satisfy customers who change their permanent locations demand and reduce customer churn. [0003] We call the number that the user keeps unchanged as Portable Number (PN for short), or Directory Number (DN for short). Different operators / regional operators are responsible for the allocation of PN prefixes. We call the network corresponding to the operator / regional operat...

Claims

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Application Information

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IPC IPC(8): H04M15/00H04L12/14H04M7/00H04M3/22
Inventor 王修中
Owner ZTE CORP
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