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<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Does this occur on every call that is transferred to voicemail?
If Callmanager is handing the call off to Unity, it may be a specific port your
having issues with, if it is intermittent. I would suggest viewing the port
analyzer in Unity. This will give you some idea of whats occurring on the port
that picking up the call in Unity.<o:p></o:p></span></p>
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<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>
cisco-voip-bounces@puck.nether.net [mailto:cisco-voip-bounces@puck.nether.net] <b>On
Behalf Of </b>Jason Burns<br>
<b>Sent:</b> Monday, June 08, 2009 3:24 PM<br>
<b>To:</b> Ryan Ratliff<br>
<b>Cc:</b> VoIP<br>
<b>Subject:</b> Re: [cisco-voip] frustrating FXO disconnect<o:p></o:p></span></p>
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<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal style='margin-bottom:12.0pt'>Has anyone made an effort to
look at the CallManager traces? For me they are almost always the most complete
picture of what happens in a call.<o:p></o:p></p>
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<p class=MsoNormal>On Mon, Jun 8, 2009 at 2:39 PM, Ryan Ratliff <<a
href="mailto:rratliff@cisco.com">rratliff@cisco.com</a>> wrote:<o:p></o:p></p>
<p class=MsoNormal>If you've determined that Unity is initiating the disconnect
then get the Unity expert brought back in to help determine why. Are
there any errors in the Unity logs at the time the call is dropped?<br>
<span style='color:#888888'><br>
-Ryan</span><o:p></o:p></p>
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<p class=MsoNormal><br>
<br>
On Jun 8, 2009, at 2:29 PM, Robert Singleton wrote:<br>
<br>
I have a 2811 equipped with a 4FXO card in one particular location that suffers
a symptom that no other location does.<br>
<br>
Incoming calls on the gateway work great and can be transferred anywhere (ip
phones, external gateways, etc) EXCEPT to Unity VM. Callers will be
disconnected a few seconds into the greeting. Please note that the calls are
being released and audio is cutting through, however, the call will be
disconnected after about 10 seconds. This problem has existed since the branch
was put on net, so I personally am pretty sure there is some minor
configuration issue, but I have not found it.<br>
<br>
In working with Cisco TAC, it seems to have been difficult to narrow the
problem down to the proper technology. Since the word 'voicemail' was
mentioned, I was connected with a Unity expert. However, only this specific
location has this problem and only when the call is on this particular FXO
gateway. In working with a gateway expert, the disconnect seems to be coming
from Unity. I kanna win.<br>
<br>
For political reasons, we are scheduling a complete replacement of all the
equipment. You know, buying a new car because the old one is idling rough.
Personally, I'd like to resolve this *before* replacing nay hardware because I
don't think it's a hardware issue.<br>
<br>
Equipment is as follows: 2811 running IOS 12.4(9)T7 with a PVDM2-16, a
VIC2-4FXO and a WIC-1DSU-T1-V2. FXO ports are loop start, configured via MGCP.
So far as I can determine, the configuration is identical (beyond unique site
data such as IP addresses, dhcp pools, etc) to any of a dozen or more similar
sites that do not suffer this symptom.<br>
<br>
Any ideas?<br>
<br>
Thanks,<br>
<br>
Robert<br>
<br>
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