[asterisk-users] Door Intercom? (was: Re: Phone with public address functionality)

[C F]

Why not an ATA that has an FXS port with an autoanswer doorbox like this one:
http://www.vikingelectronics.com/products/view_product.php?pid=428


On Dec 5, 2007 9:48 PM, Paul Hales <pdhales at optusnet.com.au> wrote:
>
> I don't think it ever gets that cold here in Australia.
>
> PaulH
>
>
>
> On Wed, 2007-12-05 at 21:24 -0500, Jon Pounder wrote:
> > Quoting Paul Hales <pdhales at optusnet.com.au>:
> >
> >
> > another option is use some sort of linux based device n770, or even an
> > nslu2, and program a sip client to behave however you like, then just
> > fit the thing with a usb based speaker/mic.
> >
> > actually, a gamepad, speaker and mic with an n770 behind a piece of
> > glass would make a pretty damn nice doorphone / look up the person in
> > a directory kind of application.
> >
> > one thing to keep in mind though - lcd screens will actually freeze
> > and crack if they get cold enough so make sure it says on all the time
> > or heat the case if you do something like that and its actually
> > outside the building itself.
> >
> >
> >
> > >
> > > I have seen a beta-level unit that also supported POE.
> > >
> > > With regards to non-beta hardware, standard analog doorphones work
> > > pretty well with Linksys SPA units.
> > >
> > > PaulH
> > >
> > >
> > > On Tue, 2007-12-04 at 02:53 -0500, Nick Seraphin wrote:
> > >>
> > >> On a similar note...  has anyone ever seen a SIP-based door intercom unit?
> > >>
> > >> Functionality I'm looking for is...  basically an outdoor rated weather
> > >> resistant speaker with 1 button and microphone, when the button is
> > >> pressed, it dials a specified SIP extension.  Likewise, from the Asterisk
> > >> box, someone can call a SIP extension and the call goes to the intercom
> > >> speaker so you can initiate a conversation with the person at the door if
> > >> they just rang the bell but didn't push the intercom button.
> > >>
> > >> Preferably something with power over ethernet support.
> > >>
> > >> Thanks,
> > >>
> > >> -- Nick
> > >>
> > >>
> > >> On Tue, 4 Dec 2007, Doug Meredith wrote:
> > >>
> > >> > I have searched for this without much luck.  I want to be able to send
> > >> > public-address-like notices over VoIP phones.  The LinkSys SPA-941
> > >> > auto-answer support comes close to working, except that if you are
> > >> > currently in a call it places that call on hold without warning.  I'm
> > >> > willing to consider a more expensive phone to solve the problem if I
> > >> > have to.
> > >> >
> > >> >
> > >> >
> > >> > Thanks for any help you can provide.
> > >> >
> > >> >
> > >> >
> > >> > Doug
> > >> >
> > >> >
> > >> >
> > >> >
> > >>
> > >>
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> >
> > Jon Pounder
> >
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