[asterisk-users] Asterisk as a Condo door opener/intercom

[C F]

Search the lists. Some hints:
Viking electronics makes a door box that connects to any analog line
(IIRC e-20).
They also make a DTMF keypad that integrates in series with any analog
line. They might also make a door box with a DTMF keypad on it.
Sandman makes a relay that will get energized when there is a ring on
the line which could be used to unlock the door.

However, why would you use asterisk? Using asterisk for the sole
purpose of MDU entry system is like using windows for asterisk, it
works but why?
Go for the commercial solutions, it comes with a geziilion options for
your setup one of them the ability of chosing an apartment, another
add key fobs, another one is the ability of using a code for the
residence (not guests) to unlock the door. Also the interface with
asterisk you will have to build one from scratch. The commercial
solutions have em built in.

On 4/10/11, Bruce B <bruceb444 at gmail.com> wrote:
> Hi Everyone,
>
> Looking to replace a condo intercom system. Apparently the current one taps
> into the lines and dials phone numbers but needs to be changed as it's
> faulty.
>
> I will probably still use the same analogue dialing and back it up with a
> VoIP line and use the current cabling that is in place. But as for as the
> door opening function goes, I am not sure how to interface and how open
> these modules are usually built.
>
> I would appreciate it if someone with experience can throw in some pointers
> as to what I might be facing and what challenges I have to solve to replace
> this with a nice Asterisk system.
>
> Thanks,
>