IP Softphone 2050 Call Control window26To assign a hot key, you can enter any keyboard key combination exceptfor the following:• A to Z• Shift-A to Shift-Z• Alt-A to Alt-Z• 0 to 9• Alt+0 to Alt+9• Asterisk (*)• Number sign (#)• Up, down, left, and right arrow keys• Shift+Up, Shift+Down• PageUp, PageDn• Alt+F1 to Alt+F12• F1, Shift+F1,Ctrl+F1, Ctrl+Alt+F1, Ctrl+Alt+Shift+F1• Space barRemoving a hot keyTo remove a hot key:1. Click the Menu button.2. Select File > Settings > Hot Keys.3. Choose the feature group that you want to access: Buttons, Menu,or Fields (Accessibility Interface only).4. From the Items list, select the feature from which you want to removea hot key.5. Click Remove.