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<div style="font-family: Arial; font-size: 13px;"><font face="Arial">Hans,<br>
<br>
Do you have the problem phones configured as ephones? <br>
<br>
Regards,<br>
</font>
<pre class="moz-signature" cols="72">Adam </pre>
<br>
<span style="color: rgb(0, 0, 0);" class="headerSpan"><br>
------------Original Message--------------<br>
From: Hans Walter <a class="moz-txt-link-rfc2396E" href="mailto:chrisw1207@googlemail.com"><chrisw1207@googlemail.com></a><br>
Sent: Tue, Apr 12, 2011 10:50:49 Am<br>
To: <a class="moz-txt-link-abbreviated" href="mailto:cisco-voip@puck.nether.net">cisco-voip@puck.nether.net</a><br>
CC: <br>
Subject: [cisco-voip] SRST Issue: Phones in Fallback Mode do
have a different configuration than when registered to CUCM</span>
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cite="mid:BANLkTikEEor1p8Tfha=aE1W-ah=RUB3W7g@mail.gmail.com"
type="cite">Hi List Members,<br>
<br>
<br>
I do have a strange Problem in regards to SRST and i am running
out of ideas what is causing the issue.<br>
<br>
I have installed a CUCM 7.1.3-2000 in my Lab Environment for
Study purposes with several IP Phones registered to it and a
2821 ISR Router with c2800nm-ipvoicek9-mz.124-24.T.bin.<br>
<br>
After reading up how SRST works and how it is configured, i
started immediately to test it out.<br>
<br>
I have the following, SRST related, configuration on the 2811
Router.<br>
<br>
call-manager-fallback<br>
max-conferences 8 gain -6<br>
transfer-system full-consult<br>
limit-dn 7960 2<br>
ip source-address 172.16.7.254 port 2000<br>
max-ephones 58<br>
max-dn 192<br>
keepalive 20<br>
<br>
The Feature itself is working like a charm. As soon as the
connection to the CUCM is gone, the IP Phones go in the Fallback
Mode and register with the SRST Gateway.<br>
<br>
Now here is the strange thing i do not understand.<br>
<br>
As soon as this happens the Phones have a complete different
configuration (e.g. the DN) as when they are registered to the
CUCM.<br>
<br>
As far as i understand, the IP Phones store the last
configuration in Flash memory, and when they register with the
SRST Gateway, the Gateways retrieves the configuration from the
phones.<br>
<br>
Now why do they have a complete different configuration?
Shouldn't the configuration, which is active when registered to
the CUCM, stored as "last configuration" ?<br>
<br>
The configuration in SRST Mode is the configuration of a
colleague of mine, which had a lab before i got the telephones.<br>
<br>
This behaviour does not occur on all IP Phones. 2 7960 work like
i would it have expected, they go in Fallback Mode and nothing
changes.<br>
<br>
All other IP Phones behave like mentioned above.<br>
<br>
I have tried to do a Hardware Reset (plug the cable and put back
in with the # pushed), but this only solved the issue partially.
Now when they go in SRST Mode they have no configuration at all.<br>
<br>
The 7960 have P00308010100 as App Load ID and Version 8.1(1.0).
These 7960 are the ones which work without problems.<br>
<br>
The 7962 have SCCP42.8-5-2SR1S and SCCP41.8-5-2SR1S and the 7911
has SCCP 11.8-5-2SR1S and all do not behave like expected.<br>
<br>
So how can i fix this issue and what is causing it?<br>
<br>
Sorry for the wall of text, i am quite new to the whole Voice
World.<br>
<br>
I hope a provided all information which are needed. If you need
additional information, don't hesitate.<br>
<br>
Thanks in advance for your time and help<br>
<br>
Cheers,<br>
Chris<br>
<br>
<br>
<br>
<br>
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<br>
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