Was the adhaan revealed by wahy or was it suggested by a sahaabi?

No File Exists
Check below answers in case you are looking for other related questions:
Practices following Salaat
How was prayer first prescribed?

No File Exists
Related Answers:
Warding off the insinuating whispers of the Shaytaan
Is it permissible to give salaams to someone who is praying?
Praying in the dark
Practices following Salaat
How was prayer first prescribed?

Recommended answers for you:
What is the ruling on using gelatin in foods and medicines?
The true nature of insurance and the rulings concerning it
Men and women talking in chat rooms
How should we return the greeting of salaam from a non-Muslim?
Will the prayers of one who drinks alcohol not be accepted for forty days?