[Asterisk-Users] Plain Old Answering Machine

[Brad Glonka]

Thanks for the suggestions.  But what can I do about it?

I think the Answering Machine (Plain Old) actually thinks that somone
has picked up an extension and it needs to hang up the line.



On 3/24/06, Rich Adamson <radamson at routers.com> wrote:
>
> > I have an fairly vanilla answering machine (actually its a combo
> > cordless phone/answering machine) attached to an FXS port (on a TDM400
> > Card).
> >
> > Everything is working as planned except I seem to be having a bit of
> > trouble with the answering machine.  After is answers it plays the
> > outgoing message and then hangs up before letting the caller leave a
> > message. (it actually hangs up before the outgoing message is
> > completely played)
> >
> > I think this is a problem with the answering machine (not asterisk),
> > but I'm limited to what I can change on the Answering Machine.
> >
> > I've tried the obvious.  My dial statement does not contain a timeout...
> > exten => s,3,Dial,Zap/1
> >
> > and I did check to make certain the machine is not in greeting only mode
> >
> > There is not much too change on the answering machine other than no of rings.
> > I did try another another answering machine and I did not have this
> > problem (that's why I think its the machine not asterisk).
> >
> > I think the machine is trying to detect if someone is on the remote
> > side of the call.  If not it hangs up.
> >
> > Anything I can do with asterisk to help correct this situation?
>
> Pure guess.... the answering machine may be opening tip/ring and
> asterisk interprets that as a disconnect.
>
> Try putting a plain old voltmeter across tip/ring and see what happens
> when the disconnect occurs.
>
> Another guess is the answering machine is spewing a tone between the
> message and recording, and asterisk hears the tone and disconnects.
>
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