<br><font size=2 face="sans-serif">I have no solution for your problem,
but I ran into a similar </font>
<br><font size=2 face="sans-serif">issue where calls where dropped when
switching between CCM and SRST.</font>
<br>
<br><font size=2 face="sans-serif">I know you have MGCP, and we are running
h.323, but after configuring</font>
<br>
<br><font size=3><tt>voice service voip <br>
h323<br>
no h225 timeout keepalive <br>
</tt></font>
<br><font size=2 face="sans-serif">we can now switch between CCM and SRST
during calls with no interruptions </font>
<br><font size=2 face="sans-serif">at all. Maybe something similar for
MGCP exists?</font>
<br>
<br><font size=2 face="sans-serif">Good luck,<br>
HP</font>
<br>
<br>
<br>
<br>
<br>
<table width=100%>
<tr valign=top>
<td width=40%><font size=1 face="sans-serif"><b>"Justin Steinberg"
<jsteinberg@gmail.com></b> </font>
<br><font size=1 face="sans-serif">Gesendet von: cisco-voip-bounces@puck.nether.net</font>
<p><font size=1 face="sans-serif">27.02.2007 16:01</font>
<td width=59%>
<table width=100%>
<tr valign=top>
<td>
<div align=right><font size=1 face="sans-serif">An</font></div>
<td><font size=1 face="sans-serif">"Matt Slaga (US)" <Matt.Slaga@us.didata.com></font>
<tr valign=top>
<td>
<div align=right><font size=1 face="sans-serif">Kopie</font></div>
<td><font size=1 face="sans-serif">cisco-voip@puck.nether.net</font>
<tr valign=top>
<td>
<div align=right><font size=1 face="sans-serif">Thema</font></div>
<td><font size=1 face="sans-serif">Re: [cisco-voip] phones at remote site
frequent failing over to SRST, wan issue?</font></table>
<br>
<table>
<tr valign=top>
<td>
<td></table>
<br></table>
<br>
<br>
<br><font size=3>This brings up a question I have been meaning to ask.
How do most people handle a bouncing WAN circuit with centralized CCM deployments?
If you have a remote site with a SRST router and that site's WAN
link back to CCM is bouncing it seems like the phones will constantly register
to CCM, register to SRST, register back to CCM, etc as the WAN link goes
up and down. <br>
<br>
I tried to adjust the CCM Device Pool connection monitor as well as changing
the 'switchback' setting on the SRST gateway. But these settings
do not seem to come into play for transitions between CCM and SRST. I
think they are only for transitions between a Primary CCM and Secondary
CCM. <br>
<br>
How do you guys deal with a circuit that might be bouncing up and down
constantly for some amount of time as Telco is fixing the circuit?<br>
<br>
Is there a way to say, "Stay in SRST until the circuit has been up
and working for 5 minutes". <br>
<br>
Thanks,<br>
Justin<br>
</font>
<br><font size=3>On 2/27/07, <b>Matt Slaga (US)</b> <</font><a href=mailto:Matt.Slaga@us.didata.com><font size=3 color=blue><u>Matt.Slaga@us.didata.com</u></font></a><font size=3>>
wrote:</font>
<br><font size=3>Are you running remote backups or something similar that
is<br>
oversubscribing the links at 1:00am?<br>
<br>
<br>
<br>
-----Original Message-----<br>
From: </font><a href="mailto:cisco-voip-bounces@puck.nether.net"><font size=3 color=blue><u>cisco-voip-bounces@puck.nether.net
</u></font></a><font size=3><br>
[mailto:</font><a href="mailto:cisco-voip-bounces@puck.nether.net"><font size=3 color=blue><u>cisco-voip-bounces@puck.nether.net</u></font></a><font size=3>]
On Behalf Of tony<br>
Sent: Tuesday, February 27, 2007 1:08 AM<br>
To: </font><a href="mailto:cisco-voip@puck.nether.net"><font size=3 color=blue><u>cisco-voip@puck.nether.net</u></font></a><font size=3><br>
Subject: [cisco-voip] phones at remote site frequent failing over to<br>
SRST,wan issue?<br>
<br>
Hi all,<br>
<br>
We have a remote site in Australia connected back to our singapore<br>
headquarters, which is home of our callmanager. Phones in our australia
<br>
site register back with the callmanager in Singapore. If the WAN
link<br>
goes down, they would register with the voice gateway in SRST mode.<br>
What we would see in our CM logs is that phones will unregister from the
<br>
primary callmanager, try to register with the secondary, and then<br>
attempt to register with srst. We believe that this is primarily
a<br>
circuit issue, but a ticket opened up with the carrier says that there<br>
is no disconnects. The carrier ran a ping monitor between the two
<br>
sites. Shortly(3 minutes) after the phones go into srst, they will
drop<br>
existing calls and register back with the callmanager in singapore.<br>
This seems to happen around once a day and randomly. Users rarely<br>
report that the internet went down at the same time. None of their
web<br>
sessions or IM clients disconnect. For example, the phones would<br>
unregister around!<br>
1am when no one is in the office. We are running CM 4.1(3)
and even<br>
our Australia voice gateways(MGCP) unregister from callmanager.<br>
However, none of the phones in our Singapore office experience any<br>
issues. Ping times are around 117ms between sites. Any ideas
to get <br>
this resolved?<br>
<br>
Thanks!<br>
<br>
<br>
<br>
<br>
<br>
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