Notification on my screen

Question

Can someone tell me what kind of notification is this one on my status bar, I mean the one in the middle, between my phone signal and Wi-Fi signal?

Answer 1

This icon means Call forwarding. This icon appears when call forwarding is turned on.

Here is a list of such icons :

You can find more about these icons in the following pages.

1. Windows 10 mobile icons - Micosoft
2. Windows Phone 8 mobile icons - Microsoft

Answer 2

That's a Call Forwarding icon. It means that you have call forwarding turned on for that specific number/SIM card you are using in this device.