Assalamu Aliakum,Sister.
Adhaan is for letting people know that it is time for Swalah.You know that each swalah has its own time.
Iqamah is for letting them know that the Swalah is about to start.I mean,Iqamah is said just before the starting of Swalah.
Adhan is as follows:
Allahu Akbar,Allahu Akbar
Allahu Akbar,Allahu Akbar
Ash'hadu an La Ilaha IllAlah
Ash'hadu an La Ilaha IllAlah
Ash'hadu anna Muhammadan-RasuluLlah
Ash'hadu anna Muhammadan-RasuluLlah
Hayya 'Ala-sSwalath
Hayya 'Ala-sSwalath
Hayya 'Ala-l Falah
Hayya 'Ala-l Falah
Allahu Akbar,Allahu Akbar
La Ilaha IllAlah.And Iqamath is as follows:
Allahu Akbar,Allahu Akbar
Ash'hadu an La Ilaha IllAlah
Ash'hadu anna Muhammadan-RasuluLlah
Hayya 'Ala-sSwalath
Hayya 'Ala-l Falah
Qad Qaamath-isSwalath,Qad Qaamath-isSwalath
Allahu Akbar,Allahu Akbar
La Ilaha IllAlah.
Usually,there is ashort time in between Adhaan and Iqamath.I have also read that the Dua prayed b.w Adhaan and Iqamath will be accepted.