The communication work inside the prison especially emphasizes security and confidentiality and management norms to meet the daily communication services and large-scale command and dispatch services under emergency conditions. At present, most prisons in China use prison telephone dispatching, which is mostly a regular transfer and a virtual private network relying on the public network. They can guarantee the basic voice communication functions in daily work.
However, the internal working environment of the prison is complex. The communication work needs detailed group scheduling according to different work areas and functions; it needs functions such as emergency calls for special situations; in the face of complex communication environment, powerful and perfect management functions are required; Security confidentiality such as wireless voice communication is required. At this time, the conventional transit system and the virtual private network system cannot meet these requirements of the prison wireless intercom dispatching command communication system.
To build an emergency command system in a prison, you need to have the following functions:
(1) Confidential wireless intercom communication method, independent of public network communication In addition, avoiding communication inside and outside the prison, effectively ensuring the safety of prison communications.
(2) With multi-level communication command and dispatch function, it can be in the prison Different people are grouped so that multiple police can communicate independently,Not disturbing each other; prison leaders can be single or Group calls are convenient for unified command and dispatch.
(3) With emergency command and dispatch function, in the event of an emergency Can provide timely emergency communication methods
(4) With multi-level dispatching command function to ensure leadership at all levels and Information exchange between police officers;
Solution: Combined with the actual communication application requirements of the prison, the wireless command of the prison cluster Scheduling solution. 1) There is only one administrative area in most cities and counties in the country.The prison exists. The size of the prison area is generally no more than 3 kilometers. In this case, it is recommended to create a set of orders.District single base station cluster wireless intercom system to wirelessly pass the entire prison Letter coverage. Single-area single-base station system is the most basic network of cluster system Form, mainly used for a wide range of coverage and number of users The field of large, multi-level scheduling. The system is covered by a large area system,In relatively flat areas, the base station covers a radius of up to 20 kilometers. 2) In most provincial-level cities, there are basically several supervisors.Prison, or relatively concentrated, or evenly distributed. In response to this situation, through Often one base station cannot cover all prisons The sum of the ranges. The system uses a combination of centralized and distributed control The call setup and exchange control of the mobile terminal are controlled by the system.The heart is completed, and the link between the control center and the base station is faulty.At the same time, the base station can still be weakened to work in the single station cluster mode. Mobile end The terminal can automatically roam in multiple base stations. (3) Each province can build a prison intercom wireless intercom system Networking, interconnection of prisons and walkie-talkies in all prisons Automatic roaming between prisons. Prison management after networking The bureau can call and schedule any walkie-talkie user in any prison.To achieve unified command and dispatch and management of emergency events. Networked system Construction model for the construction of the system in the prison administration Network center, configure softswitch server and schedule, manage, monitor end. Through the IP link provided by the prison network in each province Networking between prison cluster wireless intercom systems Each city's cluster system is responsible for local wireless coverage, with this The ability to schedule maintenance. The Prison Administration has a network management center.Responsible for the network users, management,system orders Call, group call control, monitoring and other functions, remote to the entire system Scheduling, maintenance, monitoring, etc. have the highest management authority and scheduling rights limit.
Prison Intercom Command and Command Communication System Solution Features:
(1) High confidentiality To prevent illegal users from accessing the network, not only the terminal needs to access the network.Registration of identity, at the same time by voice signal Processing, encrypting voice, preventing unrelated people from answering (2) Flexible management and full scheduling function a.Flexible grouping method to achieve between prisons Packet communication, do not interfere with each other. b. In a sudden situation, realize rapid and flexible temporary grouping,Implement scheduling for personnel to effectively respond to emergencies. c. The cluster system is equipped with a dispatching station, and the dispatching station has the highest call.Called permission, and has a variety of emergency communication plans and mechanisms. daily When used, it is a service desk inside the prison. In case of emergency It is also the command post that mobilizes the entire prison. (3) Meet the daily work of the prison, wireless communication work needs. a. Resolve the voice communication inside the prison that is independent of the outside world. Letter problem; b. Solving the problem that the intercom is often beaten during daily work. question; Solve the problem of busy communication on a certain channel during a certain period of time; Meet the needs of emergency command and dispatch work Solve multi-level group scheduling problem b. Resolve the unified command and dispatch of the armed police with the actual incident problem. c. Solving the problem that the emergency communication channel is occupied Solve the problem of temporary grouping Solve user walkie-talkie management and maintenance issues
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