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+Note that, as a point of distinction from the [Physical Access Control
+Project](Physical_Access_Control_Project "wikilink"), this project's
+scope includes the whole [church](http://www.saintstephensdc.org/), its
+staff and tenants.
+
+There was a meeting in the space at 1pm on Saturday, 6 December 2008 to
+start prototyping the Asterisk back-end.
+
+Discussion is taking place on [the red door mailing
+list](http://hacdc.org/mailman/listinfo/reddoor_hacdc.org).
+
+# Current plans
+
+As per a discussion Nate had with Brian on Tuesday, December 16th, here
+are the current plans:
+
+Requirement: the person doing the unlocking must see the guest before
+opening the door. So, unlocking by phone is not permissible. Either get
+video on screen, or just walk downstairs and see 'em through the window.
+
+Outside: All that's needed is a camera, a keypad, and a place Brian can
+stick a printed directory page. Two-way audio (speakerphone at the
+outside panel) would be nice too but isn't a strict requirement. The
+video will be served to the internet over St. Stephen's internet
+connection.
+
+When a guest dials a suite number: (which will be a 1 or 2 digit number,
+probably followed by the star or pound key) The system should place a
+call over the PSTN to ring whoever's associated with that space. The
+suite-number-to-phone-number lookup table will be maintained by Brian.
+
+When the phone is answered: It'd be nice to have two-way audio to the
+panel, so the answerer can talk to the guest and ascertain who they are.
+BUT UNLOCKING CANNOT BE DONE BY PHONE. See "requirement", above.
+
+To unlock the door: The answerer (or anyone else) can just walk
+downstairs and open the door, OR pull up video over the web, and after
+having visually confirmed the guest's identity, the answerer can enter
+their PIN on the website and unlock the door that way. So the webserver
+will need a copy of the PIN database, or will need to forward all
+attempts to some other device to try them.
+
+Any authorized user can just enter their PIN at the keypad and let
+themself in, of course. (Yeah, I know that's not a word. Bite me,
+English language!)
+
+Caveat: The answerer could just tell their PIN to the guest over the
+phone, couldn't they? To prevent this, and enforce the face-view
+requirement, perhaps the keypad could refuse to accept PINs for a while
+after dialing a suite number.
+
+Ideally: Video from the panel camera will be split, so it can be
+digitized by the web video server AND by the surveillance recorder in
+Brian's office, which is NOT connected to the internet.
+
+[Category:Previous Projects](Category:Previous_Projects "wikilink")