Help system consists of the help host, recording workstation, maintenance terminal, on-duty extension, help button and so on. It uses the LAN to achieve network connection and data exchange between devices and data exchange. Help facilities should have an interface with the video monitoring system to achieve the linkage function of monitoring image at help seeking site.

About the help technology developed by Winsion, the CPU of the help host has got the high processing capacity and high reliability with high speed computer-level CPU, main frequency not less than 400MHz and VoIP voice access. Without adding any other hardware devices, it can register the third party SIP terminal (including wired terminal and wireless terminal) for system extension of help system. The system supports the standard SIP Trunk mode. It can be interconnected with other communication systems, and perform integrated monitoring of the system equipment and terminal equipment through the network. It supports IP help button and conventional help button. Recording workstation CPU ≥ 3.0GHz, memory ≥ 21GB, hard drive ≥ 160G.

The recording channel adopts multiplexing with accurate recording control. Priority recording supported. High-quality recording with recording sampling rate of 44.1KHz, sampling size of 16bit, and two-channel encoding to make the audio quality similar to CD standard. MP3 encoding compression adopted to save storage space; user playback, Web playback; query provided based on a combination of a variety of conditions, such as by query by calling number, by called number, or by calling time. It supports continuous recording for more than 100 hours.

The on-duty extension has program key, function key, selective call key, group call key, and number display. The built-in speaker is not less than 1W with the volume adjustment function. The audio bandwidth is higher than 7KHz. It has 10 direct key, noise compensation function, call hold function, automatic answer / ring mode. Other incoming users displayed when calling. with group call / group call function. The help button may has one or more function buttons (variable number of buttons; support up to 9 buttons); it provides relay dry node output signal. Trigger when press the button to call; audio bandwidth higher than 7KHz;Built-in speaker is not less than 1W with a volume adjustment function (internal adjustment) and noise compensation. Embedded installation or surface mount, metal casing, big eye-catching button, waterproof, anti-damage.