Send Key Configuration - Alcatel Temporis IP800 Administrator's Manual

Go to Phone->Preference->Live Dialpad.
Enable or disable it in the pull-down menu.
Click Confirm button to save the change.

Send Key configuration

Admins can set a specific button ("#" or "*") as the send key. If this feature is enabled,
once you've dialed the desired number, you can press this send key to call your
correspondent immediately.
To set the send key via the IP phone interface:
Make sure active User Type is admin or var.
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Temporis IP800 Administrator Guide Ed1.0