Quote Originally Posted by Sandoran View Post
I played from Cata to end of MOP and i can confirm you at the time they might not reply straight away. But within an hour you would get a blue whisper.
I would like to repeat myself.
Maybe what see is not a bug but a intended feature.
In that case a GM has better things to do then explaining it to someone who could just ask here for a solution or to do his own research.