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

[Paul Hales]

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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