[cisco-voip] Call Manager 3.2 problems

[Rogers, Jeremy (WMG)]

We are still looking into the network protion but we are coming up empty
handed.  As for CPU usage, I didn't notice any spikes.  The odd part is that
it only affected 3 or our 4 servers.  
 


Jeremy Rogers
Senior Telecom Specialist
Warner Music Group
75 Rockefeller Plaza
New York, NY 10019
212-275-2183
jeremy.rogers at wmg.com


-----Original Message-----
From: Ryan Ratliff [mailto:rratliff at cisco.com] 
Sent: Tuesday, April 19, 2005 3:25 PM
To: Rogers, Jeremy (WMG)
Cc: 'cisco-voip at puck.nether.net'
Subject: Re: [cisco-voip] Call Manager 3.2 problems

Did you happen to check cpu utilization on the subscribers where the phones
experiencing the problems were registered?  Failure to get dialtone
basically means the message from the CM telling the phone to play dialtone
was never received.  This is either a network issue or the CM just plain
didn't send the message (ie high cpu).

-Ryan
On Apr 19, 2005, at 3:14 PM, Rogers, Jeremy (WMG) wrote:

I got experienced an extremely strange issue with my Call Managers and I was
looking to see if anyone had any insight. 

  This morning we started getting busy signals on some of our inbound
calls.  These were sporadic.  I tried looking at the real-time monitoring
tool but I couldn't tell if the PRIs were being oversubscribed.  We have 6
PRIs coming into 2 separate 6608s.  Then without warning, 3 of the sites
that are on this cluster lost all dial tone.  We didn't even have internal
dial tone.  When you lifted the receiver there was nothing.   Only one site
was still up and they were homed to a different server.

We rebooted the publisher and the two subscribers that displayed the problem
and everything started working normally.   I had no errors in my app log on
any of the servers and it didnt show any of the phones come unregistered.  I
am at a loss.  I have never seen anything like this before.

  Has anyone ever seen this?  Any ideas as to what caused it?  I didn't see
any errors on the switchports either.



Jeremy Rogers
Senior Telecom Analyst
Warner Music Group
jeremy.rogers at wmg.com

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