[cisco-voip] Elevator Phone

Thu Aug 28 16:33:54 EDT 2008

Yeah, it would be one thing if you could explain it, but then the customer
asks "why does a $150 ATA work, but a $5395 VG224 doesn't?" and your only
answer is "I don't know" that's a bad situation.

-Adam

On Thu, Aug 28, 2008 at 3:20 PM, Lelio Fulgenzi <lelio at uoguelph.ca> wrote:

>  that's just sad.
>
> 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>
> *To:* Lelio Fulgenzi <lelio at uoguelph.ca>
> *Cc:* cisco-voip <cisco-voip at puck.nether.net>
> *Sent:* Thursday, August 28, 2008 4:19 PM
> *Subject:* Re: [cisco-voip] Elevator Phone
>
> 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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