Emergency call method and apparatus

An emergency call and emergency technology, applied in emergency connection processing, emergency/dangerous communication services, nan, etc., can solve the problem that SAE/LTE network cannot realize emergency call service, etc.

Active Publication Date: 2009-06-24
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0013] The problem to be solved by the embodiment of the present invention is to provide an emergency call method and device to solve the technical defect that the emergency call service cannot be realized in the SAE / LTE network in the prior art

Method used

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  • Emergency call method and apparatus
  • Emergency call method and apparatus

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Embodiment Construction

[0043] Below in conjunction with accompanying drawing and embodiment, the specific embodiment of the present invention is described in further detail:

[0044]In the embodiment of the present invention, an emergency call service entity is used to complete the emergency call of the simulated circuit domain, which can protect the existing investment of the operator and continue to provide services of the traditional circuit domain as much as possible. Wherein, the emergency call service entity is eMSC or p-CSCF in IMS. The emergency voice bearer on the eMGW (Evolved Media Gateway, evolved media gateway) side is associated with the emergency voice bearer on the SAE side through the emergency call service entity, so as to realize the emergency call of the UE; Due to factors such as user subscription restrictions, higher priority, the principle of completing emergency services for roaming users in the visited network, and the possible planning status of the operator's network integ...

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Abstract

The invention discloses an emergency call method, which particularly includes that: user equipment (UE) can send an emergency attachment request to an SAE network in evolution network; the emergency attachment request includes an emergency indication; the SAE network receives the emergency indication, and then selects an emergency call service entity for the UE; the UE can send out an emergency call request to the emergency call service entity after being emergently attached onto the SAE network; the emergency call service entity can establish the emergency voice carrying; and the UE can execute the emergency call according to the established emergency voice carrying. The embodiment of the invention provides the method which can finish the emergency call of the analogue circuit area with the help of the emergency call service entity in the evolution network, so as to realize the emergence call service in the SAE / LTE packet networks.

Description

technical field [0001] The invention relates to the technical field of mobile communication, in particular to an emergency call method and device. Background technique [0002] UMTS (Universal Mobile Telecommunication System, Global Mobile Communication System) is a third-generation mobile communication system that adopts WCDMA (Wideband Code Division Multiple Access, Wideband Code Division Multiple Access) air interface technology, and the UMTS system is usually called a WCDMA communication system. The UMTS system includes RAN (Radio Access Network, radio access network) and CN (Core Network, core network). Among them, RAN is used to handle all wireless-related functions, while CN handles all voice calls and data connections in the UMTS system, and realizes switching and routing functions with external networks. [0003] Such as figure 1 Shown is a schematic diagram of the logical architecture of the UMTS system in the prior art. The main parts of the UMTS system are int...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W4/22H04W76/02H04W4/90
CPCH04W76/007H04W4/22H04W4/90H04W76/50
Inventor 国炜段小琴张戬李庆禹吴晓波
Owner HUAWEI TECH CO LTD
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