Hi,
I'm using the Ellisys tool to capture packets and compare the differences between CIS and BIS. The capture results for BIS show that it is unencrypted, as seen in Figure 1.
However, when establishing a CIS connection, encryption is enabled, preventing the correct capture of subsequent over-the-air packets, as shown in the figure.
For better research, how can I disable CIS encryption through configuration? The SDK version I'm using is V2.6.0. The application I'm using is NRF5340_AUDIO.
Best wishes.