Android as a Speech/Alarm Device released! And Updated!

I would use a smartapp called BigTalker (or WebC0re) to do what you need. It allows you to enter special LANnouncer commands for chime, doorbell, alarm, etc.

LANnouncer commands can be found here:

http://www.keybounce.com/lannouncer/commands/

WebCore can be found here:

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