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<DIV dir=ltr align=left><SPAN class=859320914-01052006><FONT face=Arial
color=#0000ff size=2>Check your MGCP settings. "show ccm-manager" and see
if it's a "graceful" failover. If it's not graceful, this could explain
your problem.</FONT></SPAN></DIV><BR>
<DIV class=OutlookMessageHeader lang=en-us dir=ltr align=left>
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<FONT face=Tahoma size=2><B>From:</B> cisco-voip-bounces@puck.nether.net
[mailto:cisco-voip-bounces@puck.nether.net] <B>On Behalf Of </B>Nathan
Reeves<BR><B>Sent:</B> Monday, May 01, 2006 3:34 AM<BR><B>To:</B>
cisco-voip@puck.nether.net<BR><B>Subject:</B> [cisco-voip] Voice calls dropped
with a 2811 but not a 2651XM whencomms lost to CCM<BR></FONT><BR></DIV>
<DIV></DIV>
<DIV>Seeing issues with a 2811 where voice calls are dropped when the router is
bringing up a backup ISDN circuit following loss of comms to the Call Manager
servers.</DIV>
<DIV> </DIV>
<DIV>We've not seen the same issue on the 2651XM's we've deployed
previously. With this model, calls would stay up even when comms was
lost. Obviously, new calls can't be started until comms is
re-established.</DIV>
<DIV> </DIV>
<DIV>The 2651XM is configured with an AIM-Voice30, where the 2811 is relying
only on PVDM's.</DIV>
<DIV> </DIV>
<DIV>In both cases, the telco circuit is connected to a VWIC-1MFT-E1. Both
routers are setup as MGCP gateways.</DIV>
<DIV> </DIV>
<DIV>Is this an issue with the PVDM only routers? I was under the
impression that I should never loose a call in progress, only not be able to
make new calls when the link to the CCM's is down.</DIV>
<DIV> </DIV>
<DIV>Any info on this would be great.</DIV>
<DIV> </DIV>
<DIV>TIA</DIV><BR></BODY></HTML>