Pick up another extension ringing when light is flashing

Go into switch and go to Extensions.  Double click on the Extension you want and go to the Features. When in Features you want to make sure that the box next to Allow Call Pick Up is checked. If it’s not checked please check box.   Once change is made hit apply

pick up other extension

Save and make sure to notate the ticket number and what you did.

For in-depth over view of extension