Play announcement, called party

Is there any chance I can play an announcement to the called party before the conversation starts?

Example. A calls B. B picks up the handset, the announcement is played to B, the conversation starts.

If this is not possible with the current API, is there any way I can implement/achieve this?

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CURRI does not have the capability to force an announcement to the 'called' party; only to the 'calling' party. There might be some ways to do it, but it would probably take some kind of conferencing the call to 'force' the 'called' party to turn into a 'calling' party. It's an interesting application, but I can't think of a simple way to implement it.