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Topic Title: BT Ultimate 106 PABX
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Created On: 11 November 2012 05:03 PM
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 11 November 2012 05:03 PM
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Posts: 402
Joined: 16 September 2005

Hi All

Its been a looong time since I last visited this forum so please forgive if this has been raised recently.

We have the BT Ultimate 106 PABX which we have been using for about 5 years. It has been very useful as an answer phone and as a door-phone and also enables us to unlock the front door remotely.

However, it has now gone on the blink and has become unreliable so we are looking for a replacement - this model is no longer made.

Ideally, we want a unit which can handle voice over IP but an absolute MUST is the ability to use the door-phone and door lock function.

Any suggestion?

Living in hope.


The body is now decrepit but the mind is still active - just!
 11 November 2012 09:32 PM
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Avatar for slittle.

Posts: 3647
Joined: 22 November 2007


We've used a couple of the little Panasonic switches in the past. I know they do doors but can't be certain if they will handle voip directly.

Siemens dect might be an option too, I seem to remember there is a dect compatible door unit about. We've got the siemens gigaset in the office and it happily handles one pstn, several voip and 4 extensions.

 11 November 2012 11:09 PM
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Avatar for Legh.

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Joined: 17 December 2004

I have been interested in this type automated VOIP control. I installed a phone operated door entry system a few years back and came across this LINK


Why do we need Vernier Calipers when we have container ships?

"Science has overcome time and space. Well, Harvey has overcome not only time and space - but any objections."
 12 November 2012 08:22 PM
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I replaced my BT 106 with a BT Revelation system.

Its tooo old to understand VOIP but does have the door phone feature that you require. You'll need a system phone in order to program it up & it comes as a basic 1: 6 system (1 exchange lines. 6 extensions) but can be expanded upto 4: 12.

A system can be had on a well known auction site for around the £70 mark and there are still loads of spare PCBs/PSUs/Option cards around ..... I might even be able to help you with a full set of manuals......


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