anchor.diff:  	[{userdata, [{doc, "Reservation for voice call"}]}].
   
   reserve_voice(_Config) ->
  -	DataAmount = 2,
  +	DataAmount = rand:uniform(10),
   	DataSize = rand:uniform(10000000),
   	ReserveOctets = 1000000 * rand:uniform(10),
   	DataPrice = #price{name = "Data", type = usage,
  
positive.code: 			bundle = [#bundled_po{name = DataOfferId},
  					#bundled_po{name = VoiceOfferId}]},
  	{ok, _} = ocs:add_offer(BundleOffer),
  	StartingAmount = 1000,
  	ProdRef = add_product(BundleOfferId),
  	ServiceId = add_service(ProdRef),
  	B1 = bucket(cents, StartingAmount),
  
negative.code: 			min = 1, max = 1, values = [#char_value{default = true,
  			units = "bytes", value = ReserveOctets}]}]},
  	DataOfferId = add_offer([DataPrice], 8),
  	VoiceAmount = rand:uniform(10),
  	VoiceSize = 60,
  	Reserve = rand:uniform(4000),
  	VoicePrice = #price{name = "Calls", type = usage,
  			units = seconds, size = VoiceSize, amount = VoiceAmount,
  			char_value_use = [#char_value_use{name = "radiusReserveTime",
  			min = 1, max = 1, values = [#char_value{default = true,
  			units = "seconds", value = Reserve}]}]},
  	VoiceOfferId = add_offer([VoicePrice], 9),
  	BundleOfferId = ocs:generate_password(),
  	BundleProduct = #offer{name = BundleOfferId,
  