Caltta eChat Public Network Cluster System Builds a Solid Communication Backbone for Liaoning High Court

Project Background

Located in the Shenhe District of Shenyang City, the Liaoning High People's Court, as the state's judicial authority, bears the heavy responsibility of maintaining legal justice and social harmony.

Currently, there are 128 courts in Liaoning Province, including 1 high court, 14 intermediate municipal courts, and 3 specialized courts: Shenyang Railway Transport Intermediate Court, Liaohe Intermediate People's Court, and Dalian Maritime Court. There are also 110 grassroots people's courts, with a total of 297 people's tribunals. The provincial court has 33 internal organizations, including 12 comprehensive departments and 21 trial execution departments. It has over 13,400 administrative officials, including more than 5,000 judges, forming a robust judicial force.

Communication Needs and Challenges

To meet the increasingly complex judicial work demands, the Liaoning High People's Court urgently requires an efficient, stable, and secure communication command system. This system should integrate emergency cluster communication, mobile video, command and dispatch, full-domain positioning, and other communicative command capabilities to meet the comprehensive needs of daily law enforcement and on-site emergency response. Specific requirements include:

The public network cluster system should have authentication and encryption docking functions, supporting voice, video, GIS maps, positioning, dispatch, and network management.

Terminal equipment should be stable, efficient, and durable, with voice, positioning, SMS, multimedia dispatch functions, and can also be used as law enforcement recorders.

The public digital cluster system should support voice interconnection with the public security PDT private network through the standard PSIP protocol.

Support multimedia video dispatch, achieve video upload, push, forwarding functions, and support shooting or recording on-site handling videos for real-time retrieval and storage.

Have multiple network access capabilities such as 4G, 5G public network, and Wi-Fi, and support VPN network access.

Solution

Caltta Highdasc, leveraging its leading position in the private network communication field of the wireless industry, tailored a public network cluster communication system based on 4G/5G wireless access technology for the Liaoning High People's Court. This system is based on VoIP technology and can be carried on the 4G/5G networks and Wi-Fi access networks of China Mobile, China Telecom, China Unicom, and China Broadcasting, achieving cluster voice and video dispatch.

The eChat public network cluster system is deployed in highly reliable telecom rooms, capable of load sharing and remote disaster recovery between multiple nodes, ensuring the stability of business services. The system is independently deployed, ensuring the safety and reliability of judicial command; cluster services can be flexibly installed on devices like phones, tablets, or cameras, satisfying diverse application scenarios.

Solution Highlights

Comprehensive Functionality

The system integrates voice intercom and video collection functions, fulfilling unified command and video evidence needs during daily law enforcement.

Secure Encryption

The system supports soft encryption of voice calls, SMS, and positioning information, ensuring the security and confidentiality of daily communication during transmission.

Interconnectivity

The system has reserved interconnection interfaces, supporting standard protocol communication with mobile video and PDT cluster systems, and supports interconnection with law enforcement recorders via the eChat APP.

Caltta Highdasc has provided nearly 1,000 terminal devices for the Liaoning High People's Court, successfully creating an efficient, stable, and secure network communication assurance. This achievement not only demonstrates Caltta Highdasc's outstanding performance in communication technology and innovation but also highlights its extensive experience in specialized network communication system construction.

The zChat public network cluster, based on nearly 20 years of digital cluster communication technology accumulated by Caltta Corporation, runs on the wireless communication networks of telecom operators, adopting telecom-level framework technology to achieve professional cluster communication services. It supports all-network modes, offering flexible deployment, rich services, and reliable stability. Caltta Highdasc provides a one-stop, end-to-end public network cluster solution widely used in public security, judiciary, emergency response, railways, logistics, transportation, urban management, and other industries, aiding industry users in efficient operations.