This attribute specifies which ATM service categories are permitted
on this Vpt for SVCs. The value of this attribute does not affect
control Vccs, such as signalling and ILMI channels. If the value is
empty, no SVCs are permitted to use this Vpt.
Description of bits:
unspecifiedBitRate(0)
constantBitRate(1)
rtVariableBitRate(2)
nrtVariableBitRate(3)