Re: phones at remote site frequent failing over toSRST, wan issue?

Are you monitoring the circuit?  If not, I would start.

It definitely sounds like a circuit / bandwidth issue 

Scott

-----Original Message-----
From: cisco-voip-bouncespuck.nether.net
[mailto:cisco-voip-bouncespuck.nether.net] On Behalf
Of Matt Slaga (US)
Sent: Tuesday, February 27, 2007 5:17 AM
To: tony; cisco-voippuck.nether.net
Subject: Re: [cisco-voip] phones at remote site frequent
failing over
toSRST, wan issue?

Are you running remote backups or something similar that is
oversubscribing the links at 1:00am?



-----Original Message-----
From: cisco-voip-bouncespuck.nether.net
[mailto:cisco-voip-bouncespuck.nether.net] On Behalf
Of tony
Sent: Tuesday, February 27, 2007 1:08 AM
To: cisco-voippuck.nether.net
Subject: [cisco-voip] phones at remote site frequent failing
over to
SRST,wan issue?

Hi all,

We have a remote site in Australia connected back to our
singapore
headquarters, which is home of our callmanager.  Phones in
our australia
site register back with the callmanager in Singapore.  If
the WAN link
goes down, they would register with the voice gateway in
SRST mode.
What we would see in our CM logs is that phones will
unregister from the
primary callmanager, try to register with the secondary, and
then
attempt to register with srst.  We believe that this is
primarily a
circuit issue, but a ticket opened up with the carrier says
that there
is no disconnects.  The carrier ran a ping monitor between
the two
sites.  Shortly(3 minutes) after the phones go into srst,
they will drop
existing calls and register back with the callmanager in
singapore.
This seems to happen around once a day and randomly.  Users
rarely
report that the internet went down at the same time.  None
of their web
sessions or IM clients disconnect.  For example, the phones
would
unregister around!
  1am when no one is in the office.  We are running CM
4.1(3) and even
our Australia voice gateways(MGCP) unregister from
callmanager.
However, none of the phones in our Singapore office
experience any
issues.  Ping times are around 117ms between sites.  Any
ideas to get
this resolved?

Thanks!




 
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