DPD Frequency setting

Description	This setting specifies the DPD frequency. A BlackBerry device supports a minimum setting of 10 seconds. If you set an unsupported value or a null value, the device default value is used.
Possible values	1 to 2147483647 seconds
Default value	Null value
Minimum requirements	BlackBerry PlayBook OS 2.0 BlackBerry 10 OS version 10.0
Setting introduction	BlackBerry Device Service 6.0