更改手机显示来电的方式 - 从哪里开始？
这是一种情况：我拥有一部诺基亚移动设备。我经常接到来自未知本地/国家号码的电话。现在，我想接听来自未知国家号码的电话，因为它们可能很重要，但我不想接听本地号码的电话。我想编写一个显示“呼叫”而不是常规“呼叫”的应用程序。例如，“AT&T，CA”。我有一个代码数据库，其中包含运营商及其每个州的保留号码。
现在，我知道这并不简单，因为我正在谈论改变手机原生的东西。当然，我可以编写一个 java 应用程序或 symbian 应用程序或类似的东西，但显然，这将是一种善后应用程序，您可以在错过电话后运行它。我需要实时的东西。
那么，要做我想做的事，我该从哪里开始呢？有可能吗？是否存在针对此类内容的某种 SDK？
Here's a situation: I own a nokia mobile device. Quite often, I receive calls from unknown local/national numbers. Now, I would like to take those calls that are from unknown national numbers coz they could be important and I would not like to take calls from local numbers. I would like to write an application which displays " calling" instead of the regular " calling". For instance, " AT&T, CA". I have a database of codes with carriers and their reserved numbers for each state.
Now, I know this not simple coz I am talking about changing something that is native to the mobile phone. Sure, I could write a java app or a symbian app or something like that, but obviously, that would be kind of an aftermath app, which you would run after you've missed the call. I need something that is real-time.
So, to do what I want, where do I start? Is it even possible? Does some sort of SDK exist for this kind of stuff?
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由于不知道手机的具体型号，我只能给你一个笼统的答案。
您必须查明您的手机支持的 API（J2ME 或 symbian）是否支持监视来电的事件。
那么应该很简单。
Without known the specific type of the phone I can only give you a general answer.
You have to find out if the APIs that your phone supports (J2ME or symbian) support an event to watch for incomming calls.
Then it should be simple.