Per T:
>>> It's not going to happen. Most phone services allow call-block now. And
>>> on my phone I use Blacklist for Android - MetroPCS wants to charge me a
>>> buck a month for phone block. A $2 app does it forever and I don't need
>>> to pay MetroPCS for the privilege.
>> But don't Call-Block services depend on a blacklist? If so, who
>> maintains the blacklist?
>>
>> What data does the Android app work from? Does it just block
>> anything where the calling number is not in your phonebook?
> No, you can tell the Blacklist application what numbers to block. I
> quite like it as when you want to add it'll go into the phone call log
> and let you choose a number.
>
There is a similar program for Blackberry, I use iBlocker Pro on mine. It will reject calls (either dump straight to voicemail or auto-answer and hang up on the call) and reply to texts from blocked numbers too with your own "custom" message.