A thumb up for ralph for his contribution to the forum.
he always give a comment.
I found the command i was looking for.
Here is my contribute to the forum
Locate Feature Extension <number>
with this command you can see de active features of a extension and other settings
example: locate feature extension 957
result:
IP Device ID: 72
Circuit Location : 1 3 1 72 1
Extension : 957
Active Features :
Message Waiting Lamp On
Dialed Message Waiting.
Phone Lock: UnLocked
MAC Address : 08:00:0F:4B:F8:21