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Method, system and apparatus for implementing conditional call forwarding

A call forwarding, conditional technology, applied in the direction of selection of devices, electrical components, connection management, etc., can solve the problems of high cross-network roaming costs, cross-network call circuit detours, etc., to avoid cross-network call circuit detours, reduce economic burden effect

Inactive Publication Date: 2009-05-13
深圳市前海滕翔科技信息有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] It can be seen that in the conditional call forwarding service of the prior art, the called user and the forwarding user are in different operator networks, that is, cross-network roaming occurs, and cross-network calls will occur during call forwarding processing. The call path is circuitous, and when the call is connected, high cross-network roaming charges will be generated, which brings economic burden to the user

Method used

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  • Method, system and apparatus for implementing conditional call forwarding
  • Method, system and apparatus for implementing conditional call forwarding
  • Method, system and apparatus for implementing conditional call forwarding

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0076] The assumed application scenario is: user A is a fixed network user or a mobile terminal that has not applied for the conditional call forwarding service; user A, as the calling user, calls user B, a mobile terminal that has applied for the conditional Roaming, and the current status of user B is busy, or there is no response, or unreachable, the forwarding user of user B is user C, and user C is located in China; user A, B, and C correspond to VMSCa, VMSCb, and VMSCc respectively, where user The home location register of B is denoted HLRb.

[0077] Figure 5 Realize the flow chart of the first preferred embodiment of the conditional call forwarding method for the embodiment of the present invention, wherein, the solid line arrow represents the CAMEL Application Part (CAP, CAMEL ApplicationPart) protocol interface, the dotted line arrow represents the MAP protocol interface, and the point The dashed arrow indicates the ISUP protocol interface, and the shown SRI, IDP, R...

Embodiment approach 2

[0088] The assumed application scenario is: user A is a mobile terminal that has applied for the conditional call forwarding service; user A, as the calling user, calls mobile terminal user B who has applied for the conditional call forwarding service, user B is currently roaming internationally, and user A The current status of B is busy, or there is no answer, or unreachable. The forwarding user of user B is user C, and user C is located in China; users A, B, and C correspond to VMSCa, VMSCb, and VMSCc respectively, and the home location of user B The register is recorded as HLRb.

[0089] Figure 6 It is a flow chart of the second preferred implementation of the conditional call forwarding method in the embodiment of the present invention. The meanings of various arrows in the figure and the signaling and Figure 5 same, Figure 6 The process shown includes:

[0090] Step 601: When user A initiates a call as the calling user, VMSCa triggers the MO process of the ORCCF in...

Embodiment 3

[0095] The assumed application scenario is: user A is a fixed network user or a mobile terminal that has not applied for the conditional call forwarding service; user A, as the calling user, calls user B, a mobile terminal that has applied for the conditional call forwarding service, and user B does not currently International roaming, and the current status of user B is busy, or there is no response, or unreachable, the forwarding user of user B is user C, and user C is located in China; user A, B, and C correspond to VMSCa, VMSCb, and VMSCc respectively, where The home location register of subscriber B is denoted as HLRb.

[0096] Figure 7 It is a flow chart of the second preferred implementation of the conditional call forwarding method in the embodiment of the present invention. The meanings of various arrows in the figure and the signaling and Figure 5 same, Figure 7 The process shown includes:

[0097] Steps 701 to 703: VMSCa inquires the called location informatio...

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Abstract

The invention discloses a method of realizing conditional call forwarding; the method comprises: ensuring that the called mobile terminal currently occurs internetworks roam according to the conditional call forwarding optimization routing ORCCF intelligent service when ensuring the called mobile terminal satisfying the call forwarding condition; releasing the speech channel of the calling terminal and the called mobile terminal; forwarding the calling from the calling terminal to the called mobile terminal into the forwarding number corresponding to the called mobile terminal from the calling terminal. The invention further discloses a system and device of realizing conditional call forwarding. The invention can avoid internetworks roam cost paying for call forwarding when the called user internetworks roams in the conditional call forwarding service.

Description

technical field [0001] The invention relates to call forwarding technology, in particular to a method, system and device for realizing conditional call forwarding. Background technique [0002] Call forwarding service refers to forwarding a user's incoming call to another designated number before being connected. In the mobile communication network (PLMN, Public LandMobile Network) of the user application (CAMEL, Customized Applications for Mobile Network Enhanced Logic) that supports mobile network enhanced logic, there are conditional call forwarding services, including call forwarding on busy, no answer Call forwarding, unreachable call forwarding, etc. [0003] In the conditional call forwarding service, the forwarding operation is processed by the Visited Mobile Switching Center (VMSC, Visited Mobile Switching Center). Assuming that the called user is user b, the paging call of the VMSC where user b is currently located is called When user b is busy, unresponsive or u...

Claims

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Application Information

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IPC IPC(8): H04W4/16H04W36/18H04W76/06H04Q3/00
CPCH04W4/16
Inventor 田宇陈亮
Owner 深圳市前海滕翔科技信息有限公司
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