questions on dual sim usage.

dear all, I have started using 2 sim cards on my apple xr device and, I'm having some questions below.
1. how to set the different ring tones for the secondary sim card.
2. is there any setting for getting the sim list while calling people.
for example, on android, if the device has dual sims and, while calling the people we can see a pop up for the sim cards list.

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