[cisco-voip] quick sanity check on factory reset

Mon Sep 12 17:00:08 EDT 2011

for some reason, i don't like the idea of having to install just to change the default file, i'd try to figure out a way to edit the file manually so you can change it at will..... 

that's just me. ;) 

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Lelio Fulgenzi, B.A. 
Senior Analyst (CCS) * University of Guelph * Guelph, Ontario N1G 2W1 
(519) 824-4120 x56354 (519) 767-1060 FAX (JNHN) 
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----- Original Message -----
From: "Nate VanMaren" <VanMarenNP at ldschurch.org> 
To: "Erick A. Wellnitz" <erick.wellnitz at kattenlaw.com>, "Lelio Fulgenzi" <lelio at uoguelph.ca> 
Cc: "Ed Leatherman" <ealeatherman at gmail.com>, cisco-voip at puck.nether.net 
Sent: Monday, September 12, 2011 3:57:36 PM 
Subject: RE: [cisco-voip] quick sanity check on factory reset 

I highly recommend making sure the last firmware you install on a cluster being one of the special bridge firmware. It makes it nice so you can reliably factory reset phones with old code or new code. 

Just make sure you set the device defaults back to the “production firmware” 

-Nate 

From: Wellnitz, Erick A. [mailto:erick.wellnitz at kattenlaw.com] 
Sent: Monday, September 12, 2011 1:12 PM 
To: Lelio Fulgenzi 
Cc: Nate VanMaren; Ed Leatherman; cisco-voip at puck.nether.net 
Subject: RE: [cisco-voip] quick sanity check on factory reset 

Solution: 

Installed SCCP firmware 8.5(2) on all TFTP nodes 

Set firmware version in device defaults to the desired end-result firmware – in this case 9.0(3) 

Reboot phone previously factory reset 

Kind of a ‘clunky’ solution for those of us who have a stock of unopened phones with firmware version lower than 8.3(3). 

From: Lelio Fulgenzi [mailto:lelio at uoguelph.ca] 
Sent: Monday, September 12, 2011 1:53 PM 
To: Wellnitz, Erick A. 
Cc: Nate VanMaren; Ed Leatherman; cisco-voip at puck.nether.net 
Subject: Re: [cisco-voip] quick sanity check on factory reset 

Please share the fix for the list archives.... ;) 

Sent from my iPhone 

On Sep 12, 2011, at 2:50 PM, "Wellnitz, Erick A." < erick.wellnitz at kattenlaw.com > wrote: 

This solved the problem. 

Thanks for the input everyone. Sometimes it helps to think ‘out loud’. 

From: Nate VanMaren [mailto:VanMarenNP at ldschurch.org] 
Sent: Monday, September 12, 2011 11:04 AM 
To: Ed Leatherman; Wellnitz, Erick A. 
Cc: cisco-voip at puck.nether.net 
Subject: RE: [cisco-voip] quick sanity check on factory reset 

If you factory reset, it does not get rid of the bridge requirement. 

Install 8.5.2 firmware on to your system, but then change the device defaults back to 9.0.3. Your phones will get the firmware in the default loads file, then register and get the database default load and all will be happy. 

-Nate 

From: cisco-voip-bounces at puck.nether.net [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Ed Leatherman 
Sent: Monday, September 12, 2011 9:49 AM 
To: Wellnitz, Erick A. 
Cc: cisco-voip at puck.nether.net 
Subject: Re: [cisco-voip] quick sanity check on factory reset 

Which version was the bridge to the newer signature files, I thought it was it 8.3.3? Only thing I can think of offhand is to be careful of that. I had someone do a factory reset on a phone running older firmware and it would not load the default from our live CUCM tftp server (version 9.2.1ish). I had to get it upgraded from a separate TFTP to the bridge version - kinda surprised I thought the factory reset would have wiped everything and caused it to accept any firmware. 

On Mon, Sep 12, 2011 at 10:33 AM, Wellnitz, Erick A. < erick.wellnitz at kattenlaw.com > wrote: 

I’m doing a factory reset on a 7911 which has SCCP firmware 8.3(2) installed. My CUCM has 9.0(3) as the default. 

This should factory reset without issue, correct? 

ERICK A. WELLNITZ 
Network Engineer 
Katten Muchin Rosenman LLP 

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