Answer
1. Iqaamat is called only when offering Fardh Salaat. (Tahtaawi pg.105;
Qadeemi)
2. It is Makrooh (disliked) for women to call out the Iqaamat when offering
Fardh Salaat individually, even while offering Salaat behind a man. (Ibid)
and Allah Ta’ala Knows Best
Mufti Ebrahim Desai