anchor.diff:  			char_value_use = [#char_value_use{ name = "destPrefixTariffTable",
            type = undefined,min = 0, max = 1, specification = "3",
   			values = [#char_value{value = "examples"}]}]},
  -	Offer = #offer{name = "Voice Plan", description = "Tariffed voice calling",
  +	Offer = #offer{name = "Voice Calling", description = "Tariffed voice calling",
   			status = in_study, specification = "9",
   			price = [PriceUsage]},
   	case ocs:add_offer(Offer) of
  
positive.code: %% @doc Seed product catalog with example offers.
  %% @private
  add_example_offers() ->
  	PriceInstall = #price{name = "Installation",
  			description = "One time installation charge",
  			type = one_time, amount = 500000000},
  	case add_example_data_offers() of
  		ok ->
  			add_example_voice_offers();
  		{error, Reason} ->
  			{error, Reason}
  	end.
  
  %% @hidden
  add_example_data_offers() ->
  
negative.code: 	Alteration3 = Alteration#alteration{size = 10000000000},
  	PriceSubscription3 = PriceSubscription#price{amount = 7500000000,
  			alteration = Alteration3},
  	Offer = #offer{name = "Data (10G)", description = "10GB/month",
  			status = in_study, specification = "8",
  			price = [PriceSubscription3, PriceOverage]},
  	case ocs:add_offer(Offer) of
  