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Network disaster tolerance method, terminal and call session control function entity

A technology for calling session control and functional entities, applied in electrical components, wireless communication, transmission systems, etc., can solve problems such as inapplicability and roaming user scenarios, and user data cannot be restored, so as to facilitate deployment and application, and be superior to large-scale applications Sexuality, the effect of reducing dependence

Inactive Publication Date: 2009-07-22
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the process of implementing the present invention, the inventor found that the defects of this prior art are: special processing is required on the network side, there are special requirements for network equipment, user data obtained during the registration process cannot be restored, and it is not applicable to roaming user scenarios

Method used

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  • Network disaster tolerance method, terminal and call session control function entity
  • Network disaster tolerance method, terminal and call session control function entity
  • Network disaster tolerance method, terminal and call session control function entity

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] Embodiments of the present invention provide a network disaster recovery method, such as figure 1 As shown, the method includes: the terminal detects whether the currently registered call session control function entity fails (see step 101); if the detection result is yes, then initiates a registration request to the redundant call session control function entity (see step 102) ; Receive the registration success message returned by the redundant call session control function entity (see step 103).

[0045] In this embodiment, the call session control function entity is a call session control function entity in the IMS domain.

[0046] After the terminal receives the returned registration success message, it can save the address of the redundant call session control function entity (CSCF: CALL Session Control Function) as the service preferred address, so as to initiate the call through the address of the redundant CSCF entity. call.

[0047] In this embodiment, after ...

Embodiment 2

[0051] The following describes in detail with reference to the accompanying drawings, taking the CSCF entity as the CSCF in the IMS field as an example. Such as figure 2 As shown, the currently registered CSCF is CSCF1, and the redundant CSCF entity is CSCF2.

[0052] figure 2 It is a flow chart of the network disaster recovery method in Embodiment 2 of the present invention. Such as figure 2 As shown, the network disaster recovery method includes:

[0053] Step 201, the terminal initiates a call to the currently registered call session control function entity CSCF1 through an Invite message;

[0054] Step 202, the terminal judges whether a response is received within a preset time; if the judgment result is no, it determines that the currently registered CSCF entity is faulty;

[0055] Step 203, the terminal initiates a registration request to the redundant CSCF entity according to the pre-configured redundant CSCF entity address or the address of the redundant CSCF ent...

Embodiment 3

[0073] A detailed description will be given below in conjunction with the accompanying drawings.

[0074] Figure 4 It is a flow chart of the network disaster recovery method in Embodiment 3 of the present invention. Such as Figure 4 As shown, the network disaster recovery method includes:

[0075] Step 401, when the call session function entity CSCF1 currently registered by the terminal fails, the call is routed to the terminal equipment UE by the redundant call session function entity CSCF2; wherein, the call is routed through an Invite message;

[0076] Step 402, the terminal UE judges whether the address of the CSCF2 of the received call is consistent with the address of the currently registered CSCF1, and the judgment result is that the addresses are inconsistent;

[0077] Step 403, establishing a call;

[0078] Step 404, after the end of the call, it is further judged whether there are other sessions;

[0079] Step 405, if the judgment result is that no other sessi...

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Abstract

The present invention provides a network disaster tolerance method, a terminal and a calling conversation control functional entity. The method comprises the following steps: detecting whether the calling conversation control functional entity registered presently is failed by the terminal; if the detection result is yes, initiating a registering request to the redundant calling conversation control functional entity; and receiving the registering success information returned from the redundant calling conversation control function. According to the invention, the terminal actively initiates the disaster tolerance procession, thus the independence to other device can be reduced. The disposition and application of telecommunication device are facilitated. As the method can be unitedly customized at the terminal, the invention has larger application superiority especially when the redundant unit is provided by different manufactures.

Description

technical field [0001] The present invention relates to a communication network system, in particular to a network disaster recovery method, a terminal and a call session control function entity. Background technique [0002] At present, there are still some catastrophic events in nature that cannot be prevented or avoided by humans, such as earthquakes and tsunamis. After these catastrophic events, communications need to be restored as quickly as possible to shorten disaster relief time. Most operators put forward the demand for network disaster recovery when building, upgrading or transforming telecommunication networks, and distribute redundant telecommunication equipment in different geographical locations. When a geographical location encounters a disaster, the Telecommunications equipment at other geographic locations provides services. [0003] The IP Multimedia Subsystem (IMS: IP Multimedia Subsystem) is an independent session domain controlled by a Session Control...

Claims

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Application Information

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IPC IPC(8): H04W24/04H04W60/04H04W60/06
CPCH04L41/0663
Inventor 尼凌飞吴越陈伟洪
Owner HUAWEI TECH CO LTD
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