From: MMoniz (ccie2002@tampabay.rr.com)
Date: Fri Jun 11 2004 - 20:09:19 GMT-3
Tim, you basically have 2 questions here. Busy out monitor is used to
basically mointor WAN/LAN
connections to the destination. If the destination is not reachable, it will
provide fast-busy
(network unreachable)to the end station, or if possible reroute the call out
the PSTN.
If the interface to the remote-peer is not available and busy out monitor is
not configured, the FXS/FXO
port will still provide dial tone/signal. Once they place a call that can't
be reached they will get busy.
Pretty useless if the call can't be created anyhow, as it still tries
to provide CAC. (CAll Admission Control). Kind of waste resources.
Of course it will depend on the actual network configuration on where to
apply this.
But this is mainly for VOIP solutions, not IP Telephony solutions. There is
a big difference!!
In IP Telephony, this is more handled in the Cisco world by SRST, through
Call Manager. The IOS on the
affected gateway will take care of this for you automagically!!
But for the R & S lab I can only think of something like if network
resources aren't available, the users
should not be able to place a call. (CAC)
This is how I understand this, might not be exact, but I think it is pretty
correct.
Maybe others can provide more detail.
Mike
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
ccie2be
Sent: Friday, June 11, 2004 5:31 PM
To: Group Study
Subject: Voice: Does the user get a busy signal if the network is down?
Hi,
I've been looking at the busyout monitor command which will reject a call
from
a pbx connected to a fxs port if the network is down. In the lab, at least
the
R&S version, there aren't any pbx's - just analog phones. What happens when
the interface used by the voip dial peer is down or session destination
can't
be reached?
Does the caller hear a busy signal? Does the busyout monitor command need
to
be configured for the caller to hear a busy signal? Or, is this command
only
needed when the voice port is connected to a pbx?
Any help would be appreciated.
TIA, Tim
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