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Method and system for processing emergent calling and a softswitch

A technology of emergency call and processing method, which is applied in the field of communication, and can solve problems such as the inability to realize nomadic emergency number routing of IP terminals

Active Publication Date: 2011-08-24
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The emergency center can be connected to the softswitch through the trunk, or connected to the softswitch through the subscriber line. If it is connected to the softswitch through the subscriber line, it is the call of the local office, not out of the office, and does not involve route selection. Problem, in this case, using the existing routing technology, it cannot be connected
[0005] All in all, in the IP network, especially in the NGN network controlled by the soft switch, the network adopts the IP structure, and currently basically adopts a number routing mechanism similar to the PSTN (Public Switching Telecommunications Network, Public Switching Telecommunications Network), which cannot realize the nomadic nature of IP terminals emergency number routing for

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  • Method and system for processing emergent calling and a softswitch
  • Method and system for processing emergent calling and a softswitch
  • Method and system for processing emergent calling and a softswitch

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Embodiment Construction

[0027] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0028] The embodiment of the present invention provides an emergency call processing method, such as figure 1 shown, including the following steps:

[0029] Step S102, after the user equipment nomads to a different place, it registers to the softswitch of the place of origin (that is, the region to which the user equipment belongs before nomadism) through the IP network of the different place;

[0030] Step S104, when the user equipment initiates a call, the softswitch acquires the IP address of the user equipment from the call message;

[0031] Step S106, the softswitch analyzes that the called number of the call is an emergency number, and selects an emergency center according to the IP address; and

[0032] Step S108, the softswitch connects the call to the emergency center.

[0033] In the above emergency call processing metho...

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PUM

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Abstract

The invention provides one emergency call process method and system, which comprises the following steps: user device rambles to different place and through different IP network registering belonged flexible exchange; when user device starts call, flexible exchange gets user device IP address from called information; flexible exchange analysis indication called number and selecting emergency center; the flexible exchange connects the call to emergency center. The invention also provides one flexible exchange.

Description

technical field [0001] The present invention relates to the communication field, and more specifically, relates to an emergency call processing method, an emergency call processing system, and a soft switch. Background technique [0002] Softswitch is based on IP (Internet Protocol, Internet Protocol) network, and has the characteristics of cross-domain networking. If there is a soft terminal or an IP phone, the number placed in Shenzhen may arrive in Shanghai due to a business trip. If you dial an emergency number, you should be connected to the emergency center in Shanghai, not to the emergency center in Shenzhen; this problem also exists for calls from a local network, for example, a user in area A of Shenzhen nomads to area B No, the emergency call at this time needs to be connected to area B instead of area A. The so-called nomadic means that the user moves from one region to another; common emergency calls include, for example, 110, 119, 120, 122, etc. [0003] In th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04M3/42H04M7/00H04L29/12
Inventor 林勇
Owner HUAWEI TECH CO LTD