Note: The following information applies to the devices IS330.x, IS530.x, IS540.x and IS930.x

You can assign a function to the optional keys via the “Function keys” menu:

	Open <Settings>
	Select <Function keys >

Function keys

Each key has an option for short and long press, as well as the option to wake up the device:

Wake device enabled: The device wakes up when this key is pressed

Wake device disabled: The device must be woken up before you can use the key for an action

Short press action: Here you can assign a function to the key when it is pressed briefly

Long press action: Here you can assign a function to the key with a long press on the key

	Select <Short press action> or <Long press action>
	Select a function

SOS and PTT (Push to Talk) are i.safe Mobile proprietary intents and may not be usable with every app. Developers can use the following intents for their application:

SOS

PTT (Push to Talk)

In additional, we do support the intents of the following PTT providers:

• Agnet PTT
  
• Lagacy  PTT
  
• Microsoft Teams PTT
  
• Streamwide Teams PTT
  
• Nokia Team Comms PTT
  
• Zello PTT
  
• Zello PTT2
  
• Motorola Wave PTT