Ruling on initiating the salaam when speaking on the telephone

 

What is the ruling on saying salaam to a person to whom you are speaking on the phone, when you do not know whether he is a Muslim or not?.

Praise be to Allaah.
 

 

The ruling is the same as when meeting him in person. If you know that he is a kaafir, then do
not initiate the greeting. But if you do not know, there is nothing wrong with that. 

And Allaah is the Source of strength.