<div dir="ltr">Hi all,<br>maybe there is no opener device at all.<br>Anyway take a look here :<br><br><a href="http://www.barix.com/">http://www.barix.com/</a><br><br><div class="gmail_quote">On Thu, Jul 24, 2008 at 12:11 PM, Gordon Henderson <<a href="mailto:gordon%2Basterisk@drogon.net">gordon+asterisk@drogon.net</a>> wrote:<br>
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">On Thu, 24 Jul 2008, Chris Bagnall wrote:<br>
<br>
> Greetings list,<br>
><br>
> We have a client with an analogue door intercom/opening unit which we're<br>
> attempting to replace with an IP variant. The existing unit has the<br>
> following functionality:<br>
><br>
> 1) Intercom - visitor hits "call", talks to operator<br>
<br>
> 2) Door opening - operator can open the door by dialling a 4-digit PIN<br>
> followed by * (the door unit interprets the DTMF tones)<br>
<br>
> 3) Door opening - the door unit has a numeric keypad to enable approved<br>
> persons to enter by entering the 4-digit PIN on the keypad<br>
><br>
> We've tried getting the existing unit working with an ATA, but it's only<br>
> about 50% reliable (hangup not always detected, DTMF not always<br>
> detected, etc.), so it's probably time to look at fully IP alternatives.<br>
><br>
> Any suggestions gratefully appreciated.<br>
<br>
There was talk of this a week or 2 ago on the list - look into the<br>
archives. I don't think there was anything that successfull though...<br>
<br>
I have to say though - if you have such an integrated unit that needs<br>
nothing more than an analogue connection (and power, presumably), I'd love<br>
to know the make - for me, (or rather one of my clients) it would be<br>
worthwhile trying to find an ATA that would work with it..<br>
<br>
Got a name/website for the opener device?<br>
<br>
Gordon<br>
<br>
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</blockquote></div><br></div>