BLE RSSI without scan?

Hello all,

During an established connection from an ESP32 to a peripheral, I need to have the RSSI value of that connection. Scanning is no solution, because the peripheral does not advertise anymore in this situation.
Is there a possibility to get this RSSI value of a certain connection?

Thanks and kind regards
Rolf

If there is such average, or something you may find of any use, it should be here

Thanks a lot. I will check!