Calling out the azaan and iqaamah in a deserted area

عن سلمان الفارسي رضي الله عنه قال قال رسول الله صلى الله عليه وسلم إذا كان الرجل بأرض قي فحانت الصلاة فليتوضأ فإن لم يجد ماء فليتيمم فإن أقام صلى معه ملكاه وإن أذن وأقام صلى خلفه من جنود الله ما لا يرى طرفاه (الترغيب والترهيب، الرقم: 387)

Hazrat Salmaan Faarsi (radhiyallahu anhu) reports that Rasulullah (sallallahu alaihi wasallam) said, “When a person is (alone) in a deserted area and the time of salaah enters, then he should perform wudhu. If he cannot find water then he should perform tayammum. If he calls out the iqaamah (before performing salaah), his two angels will perform salaah with him, and if he calls out the azaan and iqaamah (before performing salaah), such large armies of Allah Ta’ala (angels) will perform salaah behind him that both ends of these armies cannot be seen.”