|| $self->ut_foreign_key( 'domsvc', 'svc_domain', 'svcnum' )
|| $self->ut_foreign_keyn('pbxsvc', 'svc_pbx', 'svcnum' )
|| $self->ut_foreign_keyn('sectornum','tower_sector','sectornum')
|| $self->ut_foreign_key( 'domsvc', 'svc_domain', 'svcnum' )
|| $self->ut_foreign_keyn('pbxsvc', 'svc_pbx', 'svcnum' )
|| $self->ut_foreign_keyn('sectornum','tower_sector','sectornum')