[cisco-voip] Elevator Phone

[Justin Steinberg]

no battery-reversal under the voice port

On Wed, Aug 27, 2008 at 8:13 AM, Adam <cisco at adman.net> wrote:

> 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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