This object identifies the scope of
ccmPhoneFailedInetAddressIPv4.
unknown(0):It is not known if ccmPhoneFailedInetAddressIPv4
is used for Administration purpose or Controlling purpose.
adminOnly(1): ccmPhoneFailedInetAddressIPv4 is used for the
serviceability/administrative purpose.
controlOnly(2): ccmPhoneFailedInetAddressIPv4 is used for
signaling/registration purpose.
adminAndControl(3): ccmPhoneFailedInetAddressIPv4 is used
for controlling as well as administrative purpose.