MEDC Weatherproof FernTel IP - Manual (Page 21)

Short manual FernTel IP / IP150 Page 21
2. You can end the conference by pressing the key respective the key followed
by the key or twice the key . If you end the conference with pressing the key
or the key followed by the key , the call put on hold prior to the initiated
conference is now on hold again and the previously active call is active once
again. If you end the conference with pressing the key
twice, the call put on
hold prior to the initiated conference is now active and the previously active call is
now on hold.
To terminate the active line, you must press the key . The connection to the active
conversation partner is terminated.