Many times, this issue occurs when the extension is forwarded to another number or the volume is turned off or very low.
Canceling Call Forwarding All Calls
- Press the button next to the Call Forward feature to turn off call forwarding and extinguish the green light.
- If any of the phones' “Forwarding” features are active, the forwarding icon will be displayed on the display screen.
Volume Button
- Press the VOLUME button to adjust the volume of the handset, headset, speaker or ringer
- They are all independent of each other