[cisco-voip] FXO disconnect problem

[Steve G]

What signalling method is the FXO port using?  Loop-start?  Ground-start?

On 4/10/07, Ahmed Elnagar <aelnagar at act-eg.com> wrote:
>
>  Hello all;
>
> I have a 2811 Router with FXO ports (VIC2-4FXO) and I have the famous
> disconnect problem. I have tried all methods for disconnect but with no help
> seems that I will go for the voice class configuration but the problem is
> that I don't know who to measure the frequency and the cadence of the
> disconnect tone that is sent from the Provider, anyone knows a tool to do
> this. For more details see the Problem description below:
>
> When calling from PSTN through FXO port to inside IP Phones and without
> the IP Phone answerers the call, I disconnect the call from the PSTN side
> the IP Phone still rings until the timeout for Ringing finishes and it stops
> ringing and the port on the gateway returns to idle state.
>
> When calling from PSTN through FXO port to inside IP Phones and with the
> IP Phone answerers the call, I disconnect the call from the PSTN side I hear
> the disconnect call playing on the IP Phone (that is why I am sure that this
> the method used for disconnect, and I tried at a different site that is not
> having this problem and I heard no disconnect call) then when the disconnect
> call plays for a couple of seconds the call still up for no limit.
>
>
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>
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