The LINETERMSHARING_ bit-flag constants describe different ways in which a
terminal can be shared between line devices, addresses, or calls.
The terminal device is private to a single line device.
The terminal device can be used by multiple lines. The last line device to do
to the terminal for a given terminal mode will have exclusive connection to
the terminal for that mode.
The terminal device can be used by multiple lines. The lineSetTerminal
requests of the various terminals end up being merged or conferenced at the
No extensibility. All 32 bits are reserved.
These constants describe the classes of control and information streams that
can be routed directly between a line device and a terminal device (such as a
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