anchor.diff:  diameter_accounting_start(SId, Username, RequestNum) ->
   	Subscription_Id = #'diameter_cc_app_Subscription-Id'{
   			'Subscription-Id-Type' = ?'DIAMETER_CC_APP_SUBSCRIPTION-ID-TYPE_END_USER_E164',
  -			'Subscription-Id-Data' = "8561083523"},
  +			'Subscription-Id-Data' = Username},
   	CC_CCR = #diameter_cc_app_CCR{'Session-Id' = SId,
   			'Auth-Application-Id' = ?CC_APPLICATION_ID,
   			'Service-Context-Id' = "nas45@testdomain.com" ,
  
positive.code: diameter_accounting_stop(SId, Username, RequestNum) ->
  	Subscription_Id = #'diameter_cc_app_Subscription-Id'{
  			'Subscription-Id-Type' = ?'DIAMETER_CC_APP_SUBSCRIPTION-ID-TYPE_END_USER_E164',
  			'Subscription-Id-Data' = "8561083523"},
  	CC_CCR = #diameter_cc_app_CCR{'Session-Id' = SId,
  			'Auth-Application-Id' = ?CC_APPLICATION_ID,
  			'Service-Context-Id' = "nas45@testdomain.com" ,
  
negative.code: 	UsedUnits = #'diameter_cc_app_Used-Service-Unit'{'CC-Total-Octets' = [Usage]},
  	Subscription_Id = #'diameter_cc_app_Subscription-Id'{
  			'Subscription-Id-Type' = ?'DIAMETER_CC_APP_SUBSCRIPTION-ID-TYPE_END_USER_E164',
  			'Subscription-Id-Data' = Username},
  	CC_CCR = #diameter_cc_app_CCR{'Session-Id' = SId,
  			'Auth-Application-Id' = ?CC_APPLICATION_ID,
  			'Service-Context-Id' = "nas45@testdomain.com" ,
  