The softswitch system is still relatively common, so I studied how the softswitch system in the private network plays its biggest role. Let's share it with you here and hope to be useful to everyone. After the VOIP technology has gone from being popular in the market to gradually becoming deserted, the telecommunications field has ushered in a discussion hotspot of softswitch technology. At present, the major domestic operators are conducting the next-generation network test with softswitch as the core. Although everyone has high enthusiasm and good expectations for NGN, we have to face an unsatisfactory market and technical environment.

Technically speaking, the multi-protocol support and conversion problems of the softswitch system, the interworking problems between different vendors in the same protocol, the QoS guarantee problem on the IP public network, and so on, etc., are extremely headaches. From the perspective of market demand, the initial stage of NGN construction is only to provide voice services. This does not seem to form an attractive advantage for users. Since the market structure has been formed, operators will not replace traditional switches with softswitches. . Although the softswitch platform can provide a richer application, its actual market prospects are also difficult to predict, because these applications do not constitute the basic needs of consumers. If NGN is considered to be market-oriented, the extent to which it is actually based on market demand rather than on the strengths and weaknesses of technology determines its development thinking. This is a question that needs to be considered. When we faced various difficulties on the public network, did we think of the application of softswitch technology on the special network?

First of all, the IP private network is a network that can be managed and controlled. If there are still unsatisfactory QOS on this network, at least we can try to improve it. Secondly, on the private network, we will not face complicated protocol interoperability and standard setting issues. At the application level, softswitch vendors can develop software for the specific needs of enterprises, governments, or functional units, rather than facing a difficult consumer market.

Some people think that the softswitch system is difficult to find market applications on the private network. In fact, the public safety network that China is currently stepping up to build is the use of the network call center based on the softswitch platform. Here, I want to change the word. It is the use of the network command center based on the softswitch platform.

Since the "9.11" terrorist attacks in the United States, the importance of urban public safety has become increasingly prominent. How to effectively use limited resources, establish a city emergency response mechanism, improve the government's ability to respond quickly to emergencies and resist risks, provide citizens with faster emergency assistance services, and become a problem that needs to be considered and studied in front of city managers. . According to some information, China will invest 27 billion yuan in the city's joint command and construction in the next few years. This is a very big cake. So what role can the softswitch system play here?

At present, China's urban rescue system is divided into independent functional departments. It should be said that it has been relatively well-established, such as public security, fire protection, first aid and other departments. In large and medium-sized cities, it has technically advanced standards in emergency handling. Also achieved remarkable results. However, due to the mass characteristics of disaster events, the handling of accidents can no longer be completed by a single department. Therefore, the disaster management mode of such sub-categories, sub-regions and sub-sectors cannot meet the requirements of future disaster relief, thus resulting in different functional departments. The concept of linkage, and first of all began to build a linkage mechanism in large and medium-sized cities, and on the basis of linkage, complete the unified command of the emergency. In this network diagram, there are both vertical command and horizontal coordination, and at the same time there is the highest level of unified command, but this network still can not meet the needs of emergency command, because it is the command network built on the traditional switch platform. It only organizes the existing switch-based call center, but can not manage the entire network of agents, that is, this is the network of the independent command center, rather than a unified network command center. From a management point of view, this is not a good management network, because it has many types and multiple levels of features, it will bring management confusion and inefficiency, and emergency command requires fast and efficient.

Unexpected and large spans are the basic characteristics of emergencies. They are unpredictable and have characteristics of cross-disciplinary, cross-sectoral and different themes, which requires future command networks with sufficient flexibility, that is to say, decision makers. It is not necessary to stick to the organizational structure of the bars or levels indicated in the above figure, and the organizational structure of the system can be dynamically adjusted as the event progresses. This is like the establishment of a “temporary command center”. Technically speaking, in the construction of the command network, the agents of the whole network are flexibly defined, and the agents are subdivided according to different cases and different stages of progress, that is, the real network command system is realized. This is precisely the weakness of the traditional switch platform, which is the use of the network call center based on the softswitch platform.

Under the softswitch platform, the seats of any independent node are an agent group of the network command center. Since the seats on the IP network are not geographically restricted, we can flexibly group the agents, for example, a seat of the first-level command center, 119 One seat of the seat and one seat of the 110 are grouped together, and the seat of the first-level command center is set as the squad leader, which can be unified command and can only be monitored. It can be flexibly switched between different alarm modes to meet different alarm needs.

The use of a softswitch system to build a network command center requires technical improvement. However, this is not a very difficult task. Once it is in effect, it will be used to construct and direct the network in the field of emergency command or public security. The model brings new changes that cannot be solved by traditional switch platforms. Therefore, the application of softswitch technology to private networks will have a vast space.

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