Where are the actions stored that the Contacts.app can apply on telephone numbers? When I click on a telephone number in Contacts.app (or more precise: on the word left of it) I get to see the following menu:



Where does Contact.app store these actions? I couldn't find anything in the /Library/Scripts or ~/Library/Scripts folder.
I want to know this as I think the Send SMS with Bluetooth is not natively present and I want to copy this action over to a new install I'm going to do.
I found the install directory. Apparently it was the action posted here. The action is installed in ~/Library/Address Book Plug-Ins