anchor.diff:  					'CC-Input-Octets' = [UsedCCInputOctets]} when is_integer(UsedCCInputOctets),
   					is_integer(UsedCCOutputOctets) ->
   				{octets, UsedCCInputOctets + UsedCCOutputOctets};
  +			#'3gpp_ro_Used-Service-Unit'{'CC-Service-Specific-Units' = [UsedCCSpecUnits]}
  +					when is_integer(UsedCCSpecUnits) ->
  +				{messages, UsedCCSpecUnits};
   			[] ->
   				throw(used_amount_not_available)
   		end,
  
positive.code: 					'CC-Input-Octets' = [CCInputOctets]} when is_integer(CCInputOctets),
  					is_integer(CCOutputOctets) ->
  				{octets, CCInputOctets + CCOutputOctets};
  			[] ->
  				throw(used_amount_not_available)
  		end,
  
negative.code: 				'CC-Input-Octets' = [CCInputOctets]} when is_integer(CCInputOctets),
  				is_integer(CCOutputOctets) ->
  			{octets, CCOutputOctets + CCOutputOctets};
  		#'3gpp_ro_Requested-Service-Unit'{'CC-Service-Specific-Units' = [CCSpecUnits]} when
  				is_integer(CCSpecUnits) ->
  			{messages, CCSpecUnits};
  		_ ->
  			throw(unsupported_request_units)
  	end,
  