anchor.diff:  direction_address(_) ->
   	{undefined, undefined}.
   
  +%% @hidden
  +service_network([#'3gpp_ro_Service-Information'{
  +		'PS-Information' = [#'3gpp_ro_PS-Information'{
  +		'3GPP-SGSN-MCC-MNC' = [MccMnc]}]}]) ->
  +	MccMnc;
  +service_network(_) ->
  +	undefined.
  +
  
positive.code: 		'Service-Context-Id' = SvcContextId} = Request, SessionId, RequestNum,
  		SubscriberIds, OHost, _DHost, ORealm, _DRealm, _IpAddress, _Port, b = _Class) ->
  	try
  		{Direction, Address} = direction_address(ServiceInformation),
  		Location = get_service_location(ServiceInformation),
  		Destination = get_destination(ServiceInformation),
  		case service_type(SvcContextId) of
  
negative.code: 		'Service-Context-Id' = SvcContextId} = Request, SessionId, RequestNum,
  		SubscriberIds, OHost, _DHost, ORealm, _DRealm, _IpAddress, _Port, _Class) ->
  	try
  		{Direction, Address} = direction_address(ServiceInformation),
  		ServiceNetwork = service_network(ServiceInformation),
  		Location = get_service_location(ServiceInformation),
  		Destination = get_destination(ServiceInformation),
  		case service_type(SvcContextId) of
  