Raising a finger in a moment when the current speaker notices, is a more decent variant.
But I also stood with my hand literaly raised for quite some time and waited until the agitated speaker(s) stopped and finally listened to what I had to say. Or not and I simply left, but that is not always possible.
As I hit reply, I realized we're talking about different fingers, but that actually works very well amongst my coworkers. There's a nice break where every laughs their asses off and then you have the floor.
Raising a finger in a moment when the current speaker notices, is a more decent variant.
But I also stood with my hand literaly raised for quite some time and waited until the agitated speaker(s) stopped and finally listened to what I had to say. Or not and I simply left, but that is not always possible.