The adhaan should be given in every mosque in which prayer is established

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Check below answers in case you are looking for other related questions:
There is no adhaan or iqaamah for naafil prayers
Is using loudspeakers for the adhaan an innovation (bid’ah)?

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Related Answers:
Sending blessings upon the Prophet (peace and blessings of Allaah be upon him) when the iqaamah is pronounced
Ruling on adhaan and iqaamah for women
Ruling on singing the adhaan
There is no adhaan or iqaamah for naafil prayers
Is using loudspeakers for the adhaan an innovation (bid’ah)?

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