What is the correct way to call Adhan in terms of position of hands, and feet? Is it necessary to have wudu? Please quote how Hadhrat Bilaal used to stand?What to say in response to each line?

There are seven Mustahabbs in Adhaan: a) to stand facing Qiblah, b) Not to%0D%0Ahasten in saying Adhaan, c) To put both index fingers in the ears, d) To%0D%0Acall the Adhaan from a high place, e) To say the Adhaan in a loud voice, f)%0D%0ATo turn the face towards the right at 'Hayya alas salaat' and towards the%0D%0Aleft at 'Hayya alal falaah', g) To say 'Assalaatu khayrun mina nawm' twice%0D%0Aafter 'Hayya alal falaah' in the Adhaan of Fajr.%0D%0A%0D%0ASaying Adhaan without Wudhu is permissible but it is disliked.%0D%0A%0D%0AIn a Hadith, Nabi (Sallallaahu Alayhi Wasallam) told Bilaal (Radhiallaahu%0D%0AAnhu), 'Place your fingers in your ears for verily it raises the voice more.%0D%0A' The listeners should respond by repeating the exact words of the Muazzin,%0D%0Ahowever, after 'Hayya alal Falaah' and 'hayya alas salaat', he should%0D%0Arespond by saying 'Laa hawla walaa quwwata illaa billaahil aliyyil adheem'.%0D%0AIn Fajr Adhaan after hearing, 'Assalaatu khayrun minan nawm', one should%0D%0Asay, 'Saddaqta wa bararta'. In the Iqaamat, after hearing, 'Qad qaamatis%0D%0Asalaat', one should say, 'Aqaamahallaah wa adaamahaa'. It is not necessary%0D%0Afor the person who is calling out the Adhaan to respond as well.%0D%0A%0D%0Aand Allah Ta'ala Knows Best%0D%0A%0D%0AMufti Ebrahim Desai