anchor.diff:  		{_RequestId, {{_HttpVersion, 201, _ReasonPhrase}, Headers1, Body1}} ->
   			Location1 = get_location(Headers1),
   			insert_ref(Location1, SessionId),
  -			{ok, Body1};	
  +			{ok, Body1};
   		{_RequestId, {{_HttpVersion, 200, _ReasonPhrase}, _Headers, Body1}} ->
  -			{ok, Body1};	
  +			{ok, Body1};
   		{_RequestId, {{_HttpVersion, StatusCode, _ReasonPhrase}, _Headers, _Body1}} ->
   			{error, StatusCode};
   		{_RequestId, {error, Reason}} ->
  
positive.code: 	MNC = [MNC1, MNC2],
  	[{"serviceInformation", {struct, [{"sgsnMccMnc", {struct,
  			[{"mcc", MCC}, {"mnc", MNC}]}}]}}].
  	
  -spec insert_ref(Location, SessionId) -> Result
  	when
  		Location :: string(),
  
negative.code: 		'Event-Timestamp' = EventTimestamp} = Request, SessionId, RequestNum,
  		SubscriberIds, OHost, _DHost, ORealm, _DRealm, _IpAddress, _Port) ->
  	try
  		Location = get_service_location(ServiceInformation),
  		ServiceType = service_type(SvcContextId),
  		Timestamp = case EventTimestamp of
  			[{{_, _, _}, {_, _, _}} = TS] ->
  