Emergency Vehicle Call System transmission of data about traffic accidents to rescue services via
ERA-GLONASS
GEO 1.0 — In-Vehicle Emergency Call System (IVS)
An advanced solution designed to automatically send an emergency alert to rescue services in the event of a road accident or other emergency. The GEO 1.0 device is part of the ERA-GLONASS emergency response system, enabling rapid communication with emergency services and helping reduce response times, thereby increasing the chances of saving lives.
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Enables direct voice communication between vehicle occupants and emergency response operators - Initiates emergency calls automatically when an accident is detected or manually using the SOS button
- Automatically detects road traffic accidents without requiring driver intervention
- Determines the vehicle's location, speed and direction of travel
How the system works
Configuration
The device is configured using a mobile application via Bluetooth.
Installation
The electronic control unit and audio interface are installed inside the vehicle.
Accident detection
In the event of a road accident, the system automatically establishes a connection with emergency services. An emergency call can also be initiated manually using the User Interface Unit.
Data transmission
Once activated, the system transmits accident-related information to the emergency response operator via an in-band modem.
Voice connection
The device establishes a hands-free voice connection between the emergency response operator and the vehicle occupants.
Continuous communication
The system maintains a stable voice connection throughout the emergency call and transmits additional information to the operator when required.
System components:
A mobile application designed to activate the equipment, configure device settings and manage operating parameters.
The electronic control unit is installed inside the vehicle cabin or in electrical equipment compartments protected from rain and other precipitation.
An in-vehicle interface unit installed within the driver's direct field of view, typically on the center console or upper dashboard.
An external speaker designed for installation on the vehicle dashboard or center console.
Mobile Application
The application is compatible with devices running Android 9.0 or later. Once installed, the application provides access to the emergency call device, allowing users to configure its operating parameters and manage device settings directly from their smartphones.
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Functional Requirements:
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Functional Requirements:
- The mobile application must support local configuration and adjustment of device operating parameters via Bluetooth.
GEO 1.0 Electronic control unit
The GEO 1.0 is designed to initiate emergency calls automatically or manually, transmit a Minimum Set of Data (MSD) containing vehicle information, geographical coordinates, time, direction of travel and accident severity, and establish hands-free voice communication between vehicle occupants and an operator of the Russian federal ERA-GLONASS emergency response system.
The device is designed to comply with the requirements of Russian Government Resolution No. 855 dated May 12, 2022, and TR CU 018/2011 — On the Safety of Wheeled Vehicles.
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Functional Requirements:
The device is designed to comply with the requirements of Russian Government Resolution No. 855 dated May 12, 2022, and TR CU 018/2011 — On the Safety of Wheeled Vehicles.
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Functional Requirements:
- GNSS Positioning — Periodic determination of geographical coordinates, heading and Coordinated Universal Time (UTC) using the GLONASS/GPS receiver.
- Automatic Accident Detection — Detection of road accidents and other emergency events, followed by automated transmission of relevant data to an emergency response operator.
- Two-Way Voice Communication — Voice communication between the driver and emergency response operator, including transmission of the Minimum Set of Data (MSD) over GSM mobile networks.
- Operator-Initiated Communication — Establishment and maintenance of a two-way voice connection with the vehicle driver at the request of an emergency response operator.
The device supports seven operating modes:
In this mode, the voltage regulator remains in standby and does not supply power to the connected components, including the main microcontroller, navigation receiver and GSM/UMTS module.
The device enters Off Mode when the ignition is switched off or when the vehicle battery is disconnected after the system has entered Sleep Mode. The device exits Off Mode when the ignition is switched on.
The device enters Off Mode when the ignition is switched off or when the vehicle battery is disconnected after the system has entered Sleep Mode. The device exits Off Mode when the ignition is switched on.
The transition from other operating modes to Off Mode may also occur when the backup battery reaches the discharge threshold specified in Section 8.11 of GOST 33464-2015.
The device switches from ERA Mode to Low-Power Mode after the ignition has been turned off and a predefined delay has elapsed. The device remains in Low-Power Mode for up to 72 hours, after which it transitions to Off Mode.
While operating in Low-Power Mode, the device monitors:
While operating in Low-Power Mode, the device monitors:
- Signals from the acceleration sensor (for M1 and N1 vehicle categories only).
- Ignition activation.
- Disconnection of the vehicle battery.
The device also enters Low-Power Mode when the vehicle's main battery is disconnected. In this case, it operates using the integrated backup battery for up to two hours before switching to Off Mode to prevent deep discharge.
In ERA Mode, the device performs the following functions:
- Receives GNSS satellite signals.
- Calculates navigation parameters.
- Monitors acceleration sensor signals.
- Prepares the Minimum Set of Data (MSD) for transmission when an emergency call is initiated.
- Prepares supplementary navigation data.
- Monitors SOS button activation through the user interface unit.
- Processes user control inputs.
- Performs automatic self-diagnostics.
- Detects system errors.
- Filters and manages status indication signals.
- Displays system status and operating modes through wired connections between the electronic control unit and the user interface unit.
When Emergency Call Mode is activated, the device generates a MUTE signal to disable other vehicle audio systems. The user cannot reduce the volume of the hands-free emergency communication system inside the vehicle.
The system returns to ERA Mode when the voice connection ends.
If the device is operating on backup battery power, it switches to Off Mode when the battery reaches its minimum permissible charge level. Switching from Emergency Call Mode to Test Mode, Service Mode or Firmware Update Mode is not permitted.
After the emergency call ends, the system remains registered on the GSM or UMTS network and automatically answers incoming calls for a configurable period, set to 20 minutes by default.
If transmission of the Minimum Set of Data (MSD) via the in-band modem fails, either during system-initiated transmission or following an SMS request from the emergency response service, the device sends an updated MSD via SMS.
The SMS is sent to a configurable destination number while the device remains registered on the mobile network following the emergency call.
If the connection is interrupted during Emergency Call Mode, the system attempts to re-establish the connection in accordance with GOST 33464-2015.
The system returns to ERA Mode when the voice connection ends.
If the device is operating on backup battery power, it switches to Off Mode when the battery reaches its minimum permissible charge level. Switching from Emergency Call Mode to Test Mode, Service Mode or Firmware Update Mode is not permitted.
After the emergency call ends, the system remains registered on the GSM or UMTS network and automatically answers incoming calls for a configurable period, set to 20 minutes by default.
If transmission of the Minimum Set of Data (MSD) via the in-band modem fails, either during system-initiated transmission or following an SMS request from the emergency response service, the device sends an updated MSD via SMS.
The SMS is sent to a configurable destination number while the device remains registered on the mobile network following the emergency call.
If the connection is interrupted during Emergency Call Mode, the system attempts to re-establish the connection in accordance with GOST 33464-2015.
Test Mode is designed to verify system functionality and perform self-diagnostics in accordance with Section 7.6 of GOST 33464-2015.
The following functions can be tested:
The device exits Test Mode when external power is disconnected, the ignition is turned off, the vehicle moves beyond the configured distance from the test activation point, or the testing procedure is completed.
The following functions can be tested:
- System self-diagnostics.
- Ignition signal detection.
- Microphone and speaker operation.
- Status indicator functionality.
- Test call initiation.
The device exits Test Mode when external power is disconnected, the ignition is turned off, the vehicle moves beyond the configured distance from the test activation point, or the testing procedure is completed.
Service Mode is designed to temporarily disable system functions while the vehicle is undergoing maintenance or repair at a service center.
All functions related to emergency response services and system testing are disabled while Service Mode is active.
The device automatically exits Service Mode if the vehicle, with the ignition switched on, travels beyond the configured distance threshold, taking into account three times the positioning error.
Service Mode can also be terminated by switching off the ignition.
All functions related to emergency response services and system testing are disabled while Service Mode is active.
The device automatically exits Service Mode if the vehicle, with the ignition switched on, travels beyond the configured distance threshold, taking into account three times the positioning error.
Service Mode can also be terminated by switching off the ignition.
Firmware Update Mode is used to update the device's embedded software.
For devices installed as additional vehicle equipment, firmware updates can be performed using packet data transmission.
When the device is operating in ERA Mode or Service Mode, external power is connected, and the system operator issues a firmware update command, the device switches to Firmware Update Mode and establishes a packet data connection with the operator.
The update command may be received after an emergency call or following completion of the device testing procedure, within a configurable time interval.
For devices installed as additional vehicle equipment, firmware updates can be performed using packet data transmission.
When the device is operating in ERA Mode or Service Mode, external power is connected, and the system operator issues a firmware update command, the device switches to Firmware Update Mode and establishes a packet data connection with the operator.
The update command may be received after an emergency call or following completion of the device testing procedure, within a configurable time interval.
User interface unit (UIU)
The User Interface Unit is an external vehicle-mounted component that allows the driver to interact with the in-vehicle emergency call system. The UIU serves as the primary interface for initiating emergency calls, accessing additional functions and receiving visual information about the system's operating status.
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Functional requirements:
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Functional requirements:
- Emergency Call Activation — Allows the driver to manually contact emergency response services.
- Emergency Call Cancellation — If a connection has not yet been established, the driver can cancel the call by pressing and holding the Additional Functions button for at least 0.5 seconds.
- Voice Communication Interface — Features an integrated microphone for direct voice communication with emergency response operators.
- Illuminated SOS Button — Button illumination enables the driver to locate the emergency call button easily, even in low-light conditions.
External speaker
The external speaker is designed to reproduce voice prompts and audio notifications generated by the in-vehicle emergency call system.
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Functional requirements:
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Functional requirements:
- Sound Output Level — The speaker must provide sufficient sound pressure levels (SPL) to ensure that voice prompts and system alerts remain clearly audible, even in a noisy vehicle cabin.
- Frequency Response — The supported frequency range of 120 Hz to 20,000 Hz enables clear reproduction of speech and notification tones.
- Operating Temperature Range — The speaker must operate reliably under the temperature conditions typically encountered inside a vehicle without significant sound degradation or functional failure.
Benefits of the In-Vehicle emergency call system
The GEO 1.0 emergency call system enhances vehicle safety by enabling automatic accident detection, precise positioning and rapid communication with emergency response services. The device determines the vehicle's location, speed and direction of travel. In the event of an accident, it automatically sends an emergency alert and establishes a voice connection with the appropriate emergency service.
This helps reduce emergency response times and improves the chances of saving lives. Integrating the system into vehicles also supports compliance with applicable safety regulations, enhances operational reliability and increases user confidence.
This helps reduce emergency response times and improves the chances of saving lives. Integrating the system into vehicles also supports compliance with applicable safety regulations, enhances operational reliability and increases user confidence.
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Reduced emergency response infrastructure costsThe system helps minimize false emergency calls and unnecessary emergency service dispatches, reducing fuel consumption and improving personnel resource allocation.- Key benefit: lower operational costs for government agencies, businesses and vehicle owners.
- Faster emergency response timesAccurate transmission of vehicle coordinates, heading and speed enables emergency responders to locate incidents more efficiently.
- Key Benefit: reduced delays and improved emergency response efficiency.
- Comprehensive vehicle telematics dataThe system provides information on vehicle location, heading, speed, date and time. These data can also support logistics operations, fleet monitoring and route analysis.
- Key Benefit: more efficient fleet management and lower operating costs.
- Regulatory complianceThe device supports integration with national emergency response systems, including ERA-GLONASS, EVAK and ERA-RB. It is designed to meet applicable safety requirements for new vehicles and commercial transport applications.
- Key Benefit: integration with designated emergency response infrastructures and compliance with relevant vehicle safety regulations.
Project scope and comleted work:
- Development of the electronic circuit schematic for the FALCON 004901 control unit.
- PCB design for the FALCON 004901 control unit.
- Mechanical enclosure design for the FALCON 004901 control unit.
- Development of the electronic circuit schematic for the User Interface Unit (UIU).
- PCB design for the User Interface Unit.
- Mechanical enclosure design for the User Interface Unit.
- Development of embedded firmware for the emergency call system, including a debugging mode.
- Development of configuration software.
- Completion of certification testing.
- Manufacturing of five emergency call system prototypes.
- Manufacturing of five User Interface Unit prototypes.
- Serial production of more than 6,000 units.
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