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On my departure from the Prophet (ﷺ) he said to me and to a friend of mine, "You two, pronounce the Adhan and the Iqama for the prayer and let the elder of you lead the prayer."

Prophet (ﷺ) said (to two persons), "Whenever the prayer time becomes due, you should pronounce Adhan and then Iqama and the older of you should lead the prayer."

"A cousin of mine and I arrived as guests of Allah's Messenger (ﷺ) . He said to us: 'When you travel then call the Adhan and Iqamah and let the eldest of you lead the prayer.'"

"I came to the Prophet (ﷺ) with a cousin of mine" - on an another occasion he said: "with a companion of mine" - "and he said: 'When the two of you travel, call the Adhan and the Iqamah, and let the older of you lead the prayer.'"

"The Messenger of Allah (ﷺ) said to me and to a companion of mine: 'When the time for prayer comes, let the two of you call the Adhan then the two of you say Iqamah, then let one of you lead the prayer.'"

"I came to the Messenger of Allah (ﷺ) with a cousin of mine" - once he said, "with a friend of mine" - and he said: 'When you travel, call the Adhan and Iqamah, and let the older of you lead the prayer.'"

“I came to the Prophet (ﷺ) with a friend of mine, and when we wanted to leave, he said to us: ‘When the time for prayer comes, say the Adhan and Iqamah, then let the older of you lead the prayer.’”