If you are using a telephone w/ multiple / shared lines please contact the Service Desk
If this is your desk phone you can unplug the ethernet cable as shown here :
Reconnect the ethernet cable back to the port with the appropriate data icon:
Upon reconnecting the ethernet cable, the user will see similar to the following screens:
Please allow the device about 1 minute to return to the normal home screen and check to see if there is a dial-tone.
If you do not hear a dial-tone, please contact the Service Desk via email at firstname.lastname@example.org or by calling from another device to 3-1101