There are different ways of doing this, depending on the model: In your Taycan(from 2022), the data connection is established via the embedded SIM card. You can make and receive calls at the same time using a mobile phone connected via Bluetooth. A separate SIM card slot is no longer available in the Taycan. In all other models, there are several ways of establishing a data connection, depending on the country: (Only for Connect hardware equipped model)
Data connection via the embedded SIM card (available in some countries): If you have established a data connection via the embedded SIM card, you can make and receive calls at the same time using a mobile phone connected via Bluetooth. It is not possible to have a data connection via the embedded SIM card and a telephone connection via an inserted SIM card in parallel.
Data connection via an inserted SIM card: If you have established a data connection via a separate data-enabled SIM card, you can make and receive calls at the same time using a mobile phone connected via Bluetooth. You can make and receive calls using the inserted SIM card in some countries. If you have an LTE connection, it is possible to make and receive calls in parallel with a data connection, depending on your provider. A data connection via the EDGE mobile phone network (GSM)/2G network is switched off automatically when you use the phone.
Data connection via the WiFi hotspot on your mobile phone: If you use the WiFi hotspot on your mobile phone in the vehicle, the data connection will also be used through this. You can also make and receive calls via Bluetooth. If you have an LTE connection, it is possible to make and receive calls in parallel with a data connection, depending on your provider. A data connection via the EDGE mobile phone network (GSM)/2G network is switched off automatically when you use the phone.