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Call forwarding method and system

A call forwarding and forwarding technology, applied in the field of communication, can solve the problems of waste of network resources and increase the investment cost of operators, and achieve the effect of saving network resources, avoiding the billing check of the called party, and avoiding signaling interaction

Inactive Publication Date: 2007-10-10
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

However, in some countries where telecommunications competition is relatively fierce, operators often adopt the tariff strategy of free calling in order to attract more users to the network. Unnecessary, it will only cause a lot of waste of network resources and increase the investment cost of operators

Method used

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  • Call forwarding method and system
  • Call forwarding method and system

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Experimental program
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Embodiment Construction

[0043] In order to make the technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0044] As shown in Figure 2, in the embodiment of the present invention, after MSCa receives the call from the calling party under its jurisdiction, as shown in step 210, it sends a message to the HLRb to which the called party belongs, and requests the called party to sign a contract with HLRb. information.

[0045] As shown in step 220, HLRb returns a first response message to MSCa. Since the called party is currently free, HLRb does not include the called party's subscription information that triggers the smart service, so HLRb only sets the Location parameter in the first response message returned to MSCa, but does not include the subscription information that triggers the smart service , such as Initial_Termination parameter (i...

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PUM

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Abstract

The invention is used for saving network resources when a call-forward is made. In the invention, when receiving a calling from calling side, the MSC requests the subscription information of called side to the HLR; after receiving a first confirmation message not comprising the subscription information used for triggering the intelligent service from HLR, according to the first confirmation message, the MSC requests to get the route information of the called side, and receives the second confirmation message comprising the route information of the called side from the HLR, according to the route information, the MSC makes the call connection to the destination number. The invention can avoid the unnecessary signaling interaction between the MSC and the control device when the called party at network side is free charge. The subscription information of the intelligent service comprises: Initial Termination, Called_Routing_Address Available etc.

Description

technical field [0001] The invention relates to the communication field, in particular to a call forwarding method and system. Background technique [0002] The mobile intelligent network is a network that introduces intelligent network functional entities into the mobile network to complete the intelligent control of mobile calls. It is the combination of existing mobile network and intelligent network. The mobile switching center (MSC for short) can be transformed into a service switching point (ServiceSwitch Point, SSP for short), so that the underlying mobile network and the high-level intelligent network, such as intelligent network service control point (Service Control Point) Point, referred to as "SCP"), Service Creation Environment (Service Creation Environment, referred to as "SCE") and so on, so as to separate the implementation of mobile switching and services to form a mobile intelligent network. [0003] The mobile intelligent network can provide many service...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04Q7/22H04M3/54H04M3/42H04Q3/00H04W4/16
Inventor 孟志高
Owner HUAWEI TECH CO LTD
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