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 Market Challenges:

Prison work with particular emphasis on internal communications privacy and security management practices, so as to meet a wide range of routine and emergency communications services under state command and dispatch services. Most of the radio dispatch system currently used mostly for domestic prison conventional transit and relying on two kinds of virtual private network public network, they can protect their daily work basic voice communications.

But the complex inner workings of the prison environment, communications need to work in different work areas, the detailed functions of different packet scheduling; need for special circumstances should an emergency call, and other functions; faced with complex communications environment requires powerful and comprehensive management capabilities; also wireless voice communications needs of security and confidentiality. In this case, the conventional transit systems and virtual private network system can not meet these demands prison radio dispatching system.

With the implementation of the National Prison "Kejiqiangjing • Ping Prison 'strategy to strengthen the information technology needs of the prison increasingly urgent. In the prison building emergency command system, need to have the following functions:

(1) Confidential wireless communication, independent of outside public network communication, internal and external communications to avoid prison, effectively guaranteeing communication security prison.

(2) Has a multi-level communication command and dispatch functions can be grouped in different personnel within the prison, so that more police will be able to communicate independently, without disturbing each other; prison leadership can be a single or group call, to facilitate unified command scheduling.

(3) Have an emergency dispatching functions in the event of emergencies, it is possible to provide timely emergency communications.

(4) Has a multi-level dispatching function to ensure information exchange between leaders and police officers at all levels;


Combined with the actual prison communications applications,Linton has developed a prison trunked radio dispatching solution.

(1) In most cities, county-level administrative regions, have only a prison exists. An area the size of the radius of the prison is generally not more than three kilometers. In this case, we recommend the establishment of a single-zone single base station cluster system for wireless communications coverage throughout the prison. Single-zone single base station system is the most basic networking in the form of a cluster system, mainly used in covering a wide range and large number of users in the field of multi-level scheduling. The system uses the system to cover a large area, in a relatively flat area, base station coverage radius of up to 20 km or so.

(2) Capital levels in most cities, basically building several prisons: or relatively concentrated, or evenly distributed. In view of this situation, usually a base station can not cover all the prisons, then can build single-zone multi-station cluster system. Each base station covers several prisons, connected to the control center via the formation of the entire system. The whole system is equivalent to the sum of the coverage of the coverage of several single base station. The system uses a combination of centralized and distributed control approach, when the call set-up and exchange control by the system control center is completed, the control center and the base station link failures connected mobile terminals, base stations can still be weakened as a single cluster mode. The mobile terminal may roam in a plurality of base stations automatically.

(3) The provinces may have been building prisons cluster system networking, interoperability prisons and intercom automatic roaming between all prisons. Bureau of Prisons after networking and scheduling can be arbitrarily call any one of the prison intercom users to achieve unity of command scheduling and management of emergency events. Construction model for networked systems, networking systems in the central prison administration building, softswitch server configuration and scheduling, management, monitoring terminals. Provided by the provincial prison private network IP link between the prison and networked cluster system.

Each city is responsible for the local cluster system wireless coverage, the ability to maintain local scheduler. Prison Administration set up network management center, responsible for the whole network roaming user management, cross-system-on-call, group call control, monitoring and other functions, the entire system of remote scheduling, maintenance, and monitoring with the highest administrative authority and scheduling privileges.

 Market Challenges:

(1) High security

To prevent illegal user access, network communication requires not only the terminal identity registration, and can be processed by the speech signal, voice encryption, to prevent unauthorized personnel answer.

(2)Management of flexible, full-featured scheduler

a, Flexible grouping to achieve packet communication between different prisons prison area, without disturbing each other.

b, In emergency conditions, to achieve fast and flexible temporary grouping of personnel to achieve scheduling, effective response to emergencies.

c, Cluster system with dispatch, the dispatcher has the highest calling privileges and features a variety of emergency communications plans and mechanisms. Daily use inside prison desk, emergency mobilize the whole prison time for the command post.

(3) To meet the daily duty of wireless communications prison work requirements

a,Resolve internal prison independent of outside wireless voice communication problems;

b,Solving daily problems talkie often loud disturbed;

c, Solve certain period of time, a busy channel communication problem;

d, To meet the needs of the emergency dispatching work

e,To solve the multi-level packet scheduling problem;

f, Solve emergencies and armed when the unified command scheduling problem;

g,To solve the state of emergency communication channel is occupied issues;

h,Temporary grouping problem solving;

i, Resolve user intercom management and maintenance issues.