Hadith.1202 - Ali ibn Ja'far was asked about his brother Imam Musa ibn Jafar Al-Kadhim عليه السلام about a woman leading other women in prayer: "What is the limit of raising her voice in the takbir (saying 'Allahu Akbar') and in recitation?" Imam عليه السلام replied: "To the extent that they can hear her."