This attribute contains the IEEE Organizationally Unique Identifier (OUI) of the entity that specified the profile being used, if other than ITU-T. For example, if the source is the ATM Forum, the value of this object is 00A03E. This attribute is only meaningful if aal2SccsProfileSource has the value 'other'. An SNMP Set on this object to an unsupported profile source must result in an SNMP Response with error status of badValue(3). Default value { '00A03E'h }