[cisco-voip] Elevator Phone

[Adam Blomfield]

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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