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A decryption method and system for volte network sgi interface

An interface and network technology, applied in the decryption method and system field of VoLTE network SGI interface, can solve the problem that signaling cannot be parsed, and achieve the effect of convenient call traces

Active Publication Date: 2019-06-25
博瑞得科技有限公司
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a method and system for decrypting the SGI interface of a VoLTE network, aiming to solve the problem that the signaling of the SGI interface in the existing VoLTE network cannot be parsed

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  • A decryption method and system for volte network sgi interface
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  • A decryption method and system for volte network sgi interface

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[0028] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0029] The decryption method of the VoLTE network SGI interface of the present invention can analyze the official information encrypted by the IPSec-ESP transmission mode in the SGI interface through the association of the SGI interface and the Mw interface. The application layer protocol corresponding to the SGI interface and the Mw interface is SIP (Session Initiation Protocol, Session Initiation Protocol), the encryption algorithm is IPSec-ESP, and the mode of ESP (Extended stack pointer, stack pointer) is transmission mode.

[0030] combine figure 1 with figure 2 Shown, is a preferred embodi...

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Abstract

The present invention is applicable to the signaling monitoring field of a communication network, and provides a decryption method and a decryption system of a VoLTE network SGI interface. The decryption method can analyze the data encrypted by the SGI interface through the IPSec-ESP transmission mode, which is extremely convenient It allows operators to count network KPI indicators and view user call traces when monitoring network communication systems, which is conducive to network optimization and rapid location of faults or problems.

Description

technical field [0001] The invention belongs to the field of signaling monitoring of communication networks, and in particular relates to a decryption method and system of a VoLTE network SGI interface. Background technique [0002] VoLTE (Voice over Long Term Evolution, audio is transmitted through the LTE network) is an IP data transmission technology that does not require a 2G / 3G network, and all services are carried on the 4G network, which can realize the unification of data and voice services under the same network. In other words, the 4G network not only provides high-speed data services, but also provides high-quality audio and video calls, which require VoLTE technology to achieve. The most direct experience that VoLTE technology brings to 4G users is shorter connection waiting time, and higher quality, more natural voice and video call effects. VoLTE is fundamentally different from 2G and 3G voice calls. VoLTE is an end-to-end voice solution based on all-IP condi...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W12/02H04W12/04H04W24/02H04W24/04H04W12/03H04W12/0433
CPCH04W12/02H04W12/04H04W24/02H04W24/04
Inventor 王敏叶春生雷果车新奕程涛木刘军微冉涛
Owner 博瑞得科技有限公司