Question

why we speak hello when we pickup a call..?​

Answer 1

Answer:

dont know it go out automatically from mouth

lol

Answer 2

Answer:

Well, here's a surprise from Ammon Shea, author of The First Telephone Book: Hello is a new word. ... The dictionary says it was Thomas Edison who put hello into common usage. He urged the people who used his phone to say "hello" when answering. His rival, Alexander Graham Bell, thought the better word was "ahoy."

It is a sign of respect. It is a sign of being friendly. It is a way of telling the other person that they exist, and acknowledging them. ... Some how, it has become socially okay to not say a thing, to almost act as if the other person isn't there

2nd is your main answer to give respect , and it is common word now. , !!!!!!!!

so other can also know that he is speaking :)....