In the first decade of 20^th century, seminary of Isfahan built an institute for the dialogue between Moslems and Christians which was called "Isfahan Safākhane". In this Institute, Moslems' representatives and Christian missionaries participated in different discussions, and their debates were written and published in Al-Islam magazine. This magazine also included biographies of some well-known religious and political people, and letters which were sending to the institute. Only 38 volumes of this magazine were published in Iran. In 1323/1906, Mohammad Ali Dāei Al-Islām, the head of Moslems' representatives, was settled in Mumbai and started publishing a new magazine entitled Davt Al-Islamin Persian and Urdu, main subject of which was dialogue between Islam and Christianity. In this paper, the author first points out the unique features of the magazine and then, provides a brief report of its subjects. In the final section, it is discussed about the purpose of the publication of this magazine, its publishing information, and its some other features.