Malik bin Huwayrith reported,

We came to the Prophet ﷺ and stayed with him for a time. He then said, "You should return to your families. Pray such a prayer at such a time, and such a prayer at such a time. When the time for prayer comes, let one of you give the call to prayer, and let the oldest among you lead the prayer."

Bukhari 819

Sahih

قال فأتينا النبي ﷺ فأقمنا عنده فقال لو رجعتم إلى أهليكم صلوا صلاة كذا في حين كذا صلوا صلاة كذا في حين كذا فإذا حضرت الصلاة فليؤذن أحدكم وليؤمكم أكبركم

البخاري 819صحيح
Contents
Reference
Commentary
Ayat
Collection
Sahih Bukhari
Book
Adhan
Chapter
Pausing between the two prostrations
Numbering
Darussalam 819
Bukhari 819