[Asterisk-Users] Doorbells & Door Intercoms

[Jon Pounder]

> Hi,
>
new context for door phone
immediate rather than dialtone
default extension is whatever you want it to call / do

to mine I added the twist of rolling into voicemail if I don't answer so
whoever was at the door can leave me a message.

I used a cheap analog phone on my channel bank. dialpad on the phone is
just ignored.

most people still insist on ringing the doorbell though, but at night, I
call out to the doorphone to see who is there if I am not expecting
anyone.
(the phone can be called as well as call)







> Does anybody know of a VoIP compatible doorbell or door intercom unit?
>
> I've contemplated buying a cheap SIP phone, ripping it apart, and
> putting it inside an IP66 sealed unit...
>
> It would need:
>
> - At least one speed-dial key, or some way to make every button dial
> the same extension number
> - PoE (power over ethernet), so I can power it off the central switch
> - cheap enough to rip apart
>
> Any ideas?
>
> Also, is there anyway in the Asterisk config, to ensure anything dialed
> from the phone in turn just dials a specific extension?
>
> What I'm thinking: Door bell button rings extension 8888, which rings
> all phones. Caller ID is "Front Door Entry" or whatever, and the
> Cisco's Dial Plan has a doorbell chime as the ring tone for this
> specific extension filter (so 8888 has it's own ring tone). There is a
> time out of 5 to 10 seconds, which represents the time it takes for a
> normal doorbell to chime and stop.
>
> Now, the intercom bit... If I want to find out who it is before running
> downstairs, I simply pickup my receiver and ask them. Otherwise, I just
> leave it and the ringing stops, and the call is terminated.
>
> Also, if I want to find out who is outside, I can just dial a special
> number, say 8889, and I connect to the phone outside. Now, can the
> phone be set to automatically pickup a call?! Or perhaps, If I find a
> Cisco 7940 with a damaged case on eBay, I can rip it apart, and then
> use the SIP/SCCP Intercom feature on that phone only?!
>
> Does this sound sensible/achievable?!
>
> Best,
> Ad.
>
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