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Topic:
Crestron and intercom
This thread has 37 replies. Displaying posts 31 through 38.
Post 31 made on Wednesday March 24, 2010 at 22:41
Tony Golden
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On March 24, 2010 at 08:57, Audible Solutions said...
I happen to agree with you here.

Don't act so surprised :-)
Post 32 made on Wednesday March 24, 2010 at 22:56
Tony Golden
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On March 24, 2010 at 12:51, amirm said...
In the age of cell phones, that is no longer true. In our vacation house for
example, we don't even have a phone service let alone a phone in every room!
Everyone in the family has cell phones. Even in our primary house only half the
areas have phones whereas all have intercom.

Man, I was waiting for someone to say this, and you fell right into the trap! :-)

Just because everyone has cell phones doesn't mean the house doesn't NEED real telephones - if nothing else, for the intercom functionality. With real, wired, telephones, there's always a way to communicate. No need to wonder where you left the phone, or if the battery is charged, or how long you'll be able to talk on it.

A hard-wired phone (like a touchpanel, but for different reasons) is always there. It's better to have it and not need it, than the other way around. Our clients expect us to provide them with the BEST solution, whether they think they need it or not. They can thank me later :-)


In our primary house we had an intercom where we could call the kids to dinner
and any of them could speak and say they will be late without doing anything.
Can you do that with a phone system? That is, page and then have the mic be
on for X number of seconds for anyone to speak?

Many systems, including Panasonic, have "hands-free answering" when calling a single room, but I've never seen one that allowed it with a page (multiple rooms). However, that doesn't mean there isn't one...
Post 33 made on Wednesday March 24, 2010 at 23:03
39 Cent Stamp
Elite Member
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17,515
TPS-6X has a composite input and audio I/O for mic speaker. The holvision (non keypad versions) unit without the C2N-IIF is just a camera/mic/speaker and button.

Button triggers the event.. panel lights up and flips to video, mic and speaker become active.

Thats a guess though.. i am not a programmer.
Avid Stamp Collector - I really love 39 Cent Stamps
Post 34 made on Thursday March 25, 2010 at 00:43
MikeZTC
Senior Member
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You could most likely get around the feedback issue by routing the mic and speaker through a DSP and then EQing out the sing frequency. This makes the system full-duplex and allows for the client to scream at the kids and hear the replies without any action on the kids' part. That's going out on a limb, I've only used panel-to-panel intercom a few times, and the talker was only about 36" away.

Any phone hybrid (nexia TC, XAP TH2, Converge TH20, Polycom Vortex) could be used to integrate the panel system with any PBX that provides a loop-start FXO port. Clearone has a VoIP hybrid called the VH20; I get to play with a few in the coming months! The macros and dial plans would be tricky. The way I see it right this second, you would either need one hybrid per panel to give each panel its own extension, or have one hybrid per system and only be able to call "all panels". Verrryyyyy expensive... We're talking tens of thousands here.
MikeZTC, CTS-D, CTS-I, DMC-E
Post 35 made on Thursday March 25, 2010 at 01:20
amirm
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On March 24, 2010 at 22:56, Tony Golden said...
Just because everyone has cell phones doesn't mean the house doesn't NEED real telephones - if nothing else, for the intercom functionality.

I have a great intercom. It is optimized for the task. It is in the locations I need intercom. That is not always where I want a phone. And the new OnQ double-gang nodes are prettier than any phone I would hang on the wall and take no desk space.

Many systems, including Panasonic, have "hands-free answering" when calling a single room, but I've never seen one that allowed it with a page (multiple rooms). However, that doesn't mean there isn't one...

So there, it is not the "BEST" system if it can't do the simplest thing we use an intercom for. We never, ever try to talk room to room. We don't know where the kids hang out. So we page all the rooms and they get to talk. It is hard for me to accept a PBX system being as good when you can't provide an example of it performing the same function :).
Amir
Founder, Madrona Digital, http://madronadigital.com
Founder, Audio Science Review, http://audiosciencereview.com
Post 36 made on Thursday March 25, 2010 at 01:58
Tony Golden
Founding Member
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Let me try to explain it again...

A home NEEDS real hard-wired telephones, whether you think it does or not. If there's an emergency, you want a real phone that doesn't run on batteries, that you don't have to look for.

Now, since we should already have phones in several rooms ANYWAY, why not also use those same phones for the intercom. Kill two birds with one stone, less "clutter" on the walls, plus you get additional benefits of a programmable KSU.

While hands-free answering of a page is nice, I wouldn't consider that a deal-breaker, considering the otherwise superiority of a KSU system. And like I said, there might even be a phone system that does have that feature - I just haven't seen one.

Anyway, to each his own. If you're happy with what you have, so be it. If I sold cars, it would be BMW's, Audi's, Porsches, or Ferrari's, but I understand that not everyone would want one... :-)
Post 37 made on Thursday March 25, 2010 at 02:32
amirm
Advanced Member
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On March 25, 2010 at 01:58, Tony Golden said...
Anyway, to each his own. If you're happy with what you have, so be it. If I sold cars, it would be BMW's, Audi's, Porsches, or Ferrari's, but I understand that not everyone would want one... :-)

Bet you would then advise them since they have that beautiful car, they should also go ahead and use the backseat to hall garden mulch instead of buying a beat up truck dedicated to the task :D.

Peace...

[Ex BMW owner until my son totaled it!]
Amir
Founder, Madrona Digital, http://madronadigital.com
Founder, Audio Science Review, http://audiosciencereview.com
Post 38 made on Thursday March 25, 2010 at 08:47
cjoneill
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2,174
On March 25, 2010 at 01:58, Tony Golden said...
Let me try to explain it again...

A home NEEDS real hard-wired telephones, whether you think it does or not. If there's an emergency, you want a real phone that doesn't run on batteries, that you don't have to look for.

It's just hard to fit it next to the emergency fire extinguisher, safety glasses, gloves, escape ladder, SCUBA unit (one for each person), EMT, safe room, flashlight, safety light and flare gun that you should also have in each room in case of an emergency!

CJ
I'm not a pro
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