The PHONEBUTTONMODE_ bit-flag constants describe the button classes.
This value is used to describe a button/lamp position that has no
corresponding button but has only a lamp.
The button is assigned to a call appearance.
The button is assigned to requesting features from the switch, such as hold,
conference, and transfer.
The button is one of the twelve keypad buttons, 0 through 9, '*', and '#'.
The button is a local function button, such as mute or volume control.
The button is a "soft" button associated with the phone's display. A phone set
can have zero or more display buttons.
No extensibility. All 32 bits are reserved.
This enumeration type is used in the PHONECAPS
data structure to describe the meaning associated with the phone's buttons.
- Software for developers
Software for Android Developers
- More information resources
Unix Manual Pages