What are the meanings of TBox, ECall, BCall, and ICall on the smart car network?

What are the meanings of TBox, ECall, BCall, and ICall on the smart car network?

Reference link: https://czluckywell.com/news-detail/id/10113.html

With the popularity of smart cars, the functions in the cockpit are becoming richer and smarter. There are new functional nouns appearing constantly. Let us briefly talk about what I/BCALL and ECALL mean.

T-Box

     T-Box is an important part of automobile network communication. A box with communication function contains a SIM card. The supporting hardware includes GPS antenna, 4G antenna, etc., which can provide location positioning and mobile network services. Simply understand that it is a wireless WIFI with a built-in SIM card. The difference is that it also supports making calls. Generally, it can only make regular numbers, such as: road rescue calls, manufacturer customer service calls, 110 and other emergency calls .

      T-Box is called a vehicle-mounted intelligent terminal. As the only control unit of the vehicle body that can be connected to the Internet, it shoulders the mission of monitoring and controlling the status of the vehicle body. The greatest value of its existence lies in its connectivity with the network. TBOX connects to the cloud TSP (Telematics Service Provider, remote service provider), and connects to the CAN bus of the car. Its functions mainly include:

1. Vehicle data collection: complete the collection of vehicle status information through the body CAN bus, GPS/BM, and acceleration sensors
2. Vehicle remote diagnosis: through active query and passive reception of OBD information, make a diagnosis of the state of the vehicle
3. Vehicle remote control: lock the car, switch the air conditioner, switch the door and window, etc.
4. Vehicle communication gateway: as a communication gateway for other modules to access the Internet
5. Vehicle emergency rescue:
6. Vehicle anti-theft tracking:
7. Accident tight