derivedDataType PsPortStatusDT

EcimDerivedString with length (0..3) constraint and pattern restriction (0|1|2|3|4|5|NA) where
0 - okay
1 - no traffic direction set
2 - port already in use
3 - port open failed
4 - partial failure
5 - policy error
NA - only when PcscfNetworkInterfaceProtection attribute is "None".

References from:: PcscfNetworkInterface;

string PsPortStatusDT [ 0..3 ]
Valid values: 0|1|2|3|4|5|NA