This attribute specifies the cause code sent to the originating PBX if
no timeslot is available for an incoming call.
If the component is not added or if the default value autoConfigure
is provisioned for the attribute the cause code sent to the originating
PBX is not manipulated and the clearing process is not influenced.
For this case, a typical cause code value sent back to the originating
PBX is 34.
VALUES (
128 = autoConfigure
)