450HD IP Phone
User's and Administrator's Manual 40 Document #: LTRT-13263
You can easily change audio device during a call.
To change from speaker/headset to handset: Activate speaker/headset and pick up the
handset; the speaker/headset is automatically disabled.
To change from handset to speaker/headset: Off-hook the handset and press the
speaker/headset key to activate the speaker/headset. Return the handset to the cradle; the
speaker/headset remains activated.
4.6 Signing Out
In the idle screen, touch the phone menu and then touch the Sign Out option.
You're signed out and returned to the Sign in screen.