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Purpose of document
This Intercom Subsystem Reference and Information Guide is a reference manual designed for Intercom subsystem configuration technicians and operators. This subsystem built on the basis of the Axxon PSIM Software System.
This Guide presents the following materials:
- General information about the Intercom subsystem;
- Configuration of the Intercom subsystem;
- Working with the Intercom subsystem.
Purpose and structure of the Intercom subsystem
The Intercom subsystem built on the basis of the Axxon PSIM software system and designed for operative communication of people with Emergency Control Centre.
The subsystem consists of following structure elements:
- Security intercom terminal (security intercom terminal with installed SIP-devices);
- Intercom subsystem Servers on the basis of Axxon PSIM software;
- Operator workplaces (intercom subsystem Clients) on the basis of Axxon PSIM software.
Principle of working with the Intercom subsystem is follows:
The call is forwarding to the Intercom subsystem while clicking the button of emergency call on security intercom terminal. The record is automatically initiated to the archive of audio- and video information by call.
Note.
Call is passed by SIP protocol using the TCP/IP network protocol.
On the security intercom terminal the playback of audio record located in the «<Axxon PSIM installation directory>\Wav\monitoring.wav» file on the security intercom terminal is also initiated. Playback is performed around a circle until the call receiving by operator.
In the monitoring.wav file, the single-channel PCM sound with frequency and depth of sampling equals to 8 kHz and 16 kHz correspondingly.
The call is displayed on Clients with video image from the camera in security intercom terminal.
Operator processes the call in accordance with the established procedure and communicates with injured person.
The police tour of duty is sent to the emergency site if it’s needed.
Overview
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