[cisco-voip] Elevator Phone

[Adam Blomfield]

It's sitting on top of the VG224 - both of them are probably less than 50ft
of cable away from the elevator call boxes.

-Adam

On Thu, Aug 28, 2008 at 2:24 PM, Lelio Fulgenzi <lelio at uoguelph.ca> wrote:

>  how close is the ATA to the elevator? could it be a line driver issue?
> viking sells some line drivers that might be useful.
>
> Lelio
>
> --------------------------------------------------------------------------------
> Lelio Fulgenzi, B.A.
> Senior Analyst (CCS) * University of Guelph * Guelph, Ontario N1G 2W1
> (519) 824-4120 x56354 (519) 767-1060 FAX (JNHN)
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> ...seen on a Geek Squad patch cord: "While it is the same length, this 7'
> crossover cable
> is not regulation issue for most competitive Manhattan double dutch
> leagues.
>
> ----- Original Message -----
> *From:* Adam Blomfield <adman at adman.net>
> *Cc:* cisco-voip <cisco-voip at puck.nether.net>
> *Sent:* Thursday, August 28, 2008 3:19 PM
> *Subject:* Re: [cisco-voip] Elevator Phone
>
> FYI I never could make it work on a VG224, but it worked fine on an ATA186.
>
> -Adam
>
> On Wed, Aug 27, 2008 at 12:59 PM, Adam Blomfield <adman at adman.net> wrote:
>
>> I actually believe that the VG224 defaults to high idle voltage. I have
>> not been able to come up with anything that will makes this work off the
>> VG224. I compared a debug of a call from the elevator phone that was
>> disconnected to a call from my buttset that went through just fine. There
>> are no differences between them. For some reason the elevator device is not
>> liking the line and disconnecting itself, but nothing I have changed (idle
>> voltage, output attenuation, input gain and a bunch of other miscellaneous
>> stuff) has made any difference. I'm going to bring an ATA tomorrow to see if
>> that makes any difference.
>>
>> Thanks to everyone who has made suggestions!
>>
>> -Adam
>>
>>   On Wed, Aug 27, 2008 at 11:55 AM, Biffle, Gerrad <
>> Gerrad.Biffle at greensboro-nc.gov> wrote:
>>
>>>    The "idle-voltage high" is a great suggestion.  We've had a lot of
>>> luck with 12.4(15)T3 on our VG224s – no troubles to speak of.
>>>
>>>
>>>
>>> *From:* cisco-voip-bounces at puck.nether.net [mailto:
>>> cisco-voip-bounces at puck.nether.net] *On Behalf Of *Carroll, Barry
>>> *Sent:* Wednesday, August 27, 2008 12:13 PM
>>> *To:* Adam; Ocampo, Walter
>>>
>>> *Cc:* cisco-voip
>>> *Subject:* Re: [cisco-voip] Elevator Phone
>>>
>>>
>>>
>>> Adam,
>>>
>>>
>>>
>>> On the voice-port, try adding the 'idle-voltage high' command.  I've
>>> experienced the same symptoms with elevator phones and intercoms and that
>>> command resolved the issue.
>>>
>>>
>>>
>>> Thanks,
>>>
>>> -Barry
>>>
>>>
>>>
>>>
>>>
>>> *From:* cisco-voip-bounces at puck.nether.net [mailto:
>>> cisco-voip-bounces at puck.nether.net] *On Behalf Of *Adam
>>> *Sent:* Wednesday, August 27, 2008 7:15 AM
>>> *To:* Ocampo, Walter
>>> *Cc:* cisco-voip
>>> *Subject:* Re: [cisco-voip] Elevator Phone
>>>
>>>
>>>
>>> Walter,
>>>
>>> The VG224 is running 12.4(9)T7. The calls are staying on campus, so I
>>> can't debug it at the PSTN gateway. If I use an analog handset at the
>>> location it works just fine - it appears to be an issue with the elevator
>>> phone unit itself. I don't know if the phone is not detecting the ringing or
>>> something like that. I'm going to head back over to it in a few minutes to
>>> try some more hands on troubleshooting.
>>>
>>> Thanks,
>>> Adam
>>>
>>> On Wed, Aug 27, 2008 at 9:00 AM, Ocampo, Walter <WOCAMPO at broward.org>
>>> wrote:
>>>
>>> Hi Adam,
>>>
>>> How is the Port? It is up?,
>>>
>>> Do you the see the port unhook when they are dialing?I
>>>
>>> Also, try to make a call out to the PSTN and do a debug in the gateway to
>>> see if you are getting the numbers?
>>>
>>> What version are you running in the VG224?
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>> *From:* cisco-voip-bounces at puck.nether.net [mailto:
>>> cisco-voip-bounces at puck.nether.net] *On Behalf Of *Adam
>>> *Sent:* Wednesday, August 27, 2008 9:14 AM
>>> *To:* cisco-voip
>>> *Subject:* [cisco-voip] Elevator Phone
>>>
>>>
>>>
>>> I have a couple of elevator phones connected to a VG224 gateway that do
>>> not want to work. When you hit the call button they pick up the line and
>>> dial digits, but after a couple of seconds they disconnect. Other elevator
>>> units on campus work, but there is a combination of elevators manufacturers
>>> and phone models. I unfortunately do not have the make and model of the
>>> phones that don't work in front on me. Any suggestions? The VG224 gateways
>>> are MGCP controlled.
>>>
>>> Thanks,
>>> Adam
>>>
>>>
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>>
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