Lei mi chiama - she calls me.
Lei si chiama Sophie - she is called Sophie.
Similar to English use of 'to call' as far as I can tell. See conjugation below:
March 21, 2018 - You need to find the infinitive, which isn't always obvious (at least to me yet) from the conjugated forms. Chiama is a conjugated form. (To) call (the English infinitive) is chiamare. Here's a start: https://www.thoughtco.com/tables-of-regular-italian-verb-endings-4088101