DP2000 Integrated Emergency Dispatch System

I. Overview

The IDM-DP2000 is a compact portable multimedia dispatch switch that integrates multiple communication methods including mobile phone communication, radio communication, subscriber telephone (FXS), and loop trunk (FXO). Through advanced digital voice processing technology and network encryption transmission technology, it enables seamless access of devices such as two-way radios on different frequency bands, VHF/UHF radios, HF radios, traditional PSTN telephones (Public Switched Telephone Network), IP softphones, and traditional IP phones into the dispatch system network. It can be used independently, paired with a dispatch console, or deployed as a remote trunking access gateway for a large dispatch system. It realizes long-distance wireless two-way radio communication as well as full-duplex voice interworking between wireless devices and wired terminals, conveniently solving the challenges of interworking, dispatch, management, and large-scale networking in wireless communication networks. It is suitable for the integration of multiple communication methods in environments such as border posts, vehicles, and ships, and can also be conveniently connected to existing dispatch systems for long-distance large-scale wireless networking communication.

The IDM-DP2000 adopts all-digital information processing technology, with performance superior to relevant national standards. It supports both traditional PSTN telephone interfaces and IP phones based on SIP standard protocol and H.323 protocol. It offers strong flexible configuration capability and is suitable for a wide range of application environments. It adopts a 19-inch 1U desktop structure design.

II. Equipment Configuration:

The IDM-DP2000 can connect up to 4 radio transceiver units, including HF (shortwave), VHF (ultra-shortwave) single-sideband radios, 350M and 800M trunking two-way radios, etc.

The trunk interfaces of the equipment can be:

1. GSM/CDMA interfaces (up to 2 channels);

2. WAN port supporting electrical interface (RJ45) or optical interface (FC) (as the access channel for IP phones, up to 2 IP phones can be connected);

3. Ordinary telephone trunk interfaces (minimum 2 channels);

The number of interfaces for connecting ordinary telephones or wired two-way radio terminals is 4 or 8 channels (4 channels per module).

III. Functional Description:

1. All wired two-way radio terminals can communicate with each other;

2. All wired two-way radio terminals and telephones can select any one or multiple wireless trunking groups for monitoring and talking;

3. Extensions can make external calls through ordinary telephone interfaces, GSM/CDMA, IP trunk, etc.;

4. Any two or more wireless radios or trunking groups can be bridged.

Group call function is supported. When an external call comes in, all telephone extensions in the same group call group ring simultaneously, and when any extension goes off-hook, the others stop ringing. If more than 2 external calls come in simultaneously, when any telephone goes off-hook, the external call with higher priority is connected first, while other extensions continue ringing;

For simultaneously incoming external calls, they are always answered in order of priority, and calls with the same priority are answered in order of ringing sequence.

Generally, wired two-way radio terminals have higher priority than internal telephones, and users with higher priority can interrupt the trunking transmission rights of lower-priority users.

IV. Application Examples:

A single unit can form a small-scale dispatch system for temporary emergency dispatch use, playing an important role in military emergency training, vehicle-mounted command systems, border posts, temporary field applications, and other scenarios. Meanwhile, this dispatch switch can be connected to a higher-level dispatch switch.

This dispatch switch can be deployed on mobile emergency communication vehicles, used together with our portable dispatch console to form a mobile command center. It can connect to mobile phones, wireless radios, HF radios, and various other terminals, greatly improving on-site command efficiency.

In a large dispatch system, this equipment can work with the central dispatch switch (PBX/IPPBX) as a remote trunking gateway device, realizing dispatch functions for remote trunking radios, HF radios, WIFI terminals, mobile phones, and various other media terminals.