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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