Changing CAT control settings for different TRX or TRX connection types in every program is annoying.
Thanks to rigctld from Hamlib the CAT connection can be unified.
Here is an example for connecting the IC-705 via USB and network.

Choosing the right audio interface can be cumbersome and prone to error.
Creating special devices can help to find the right audio source/sink and prevent e. g. sending “ding” sounds over the air.