I have used the below to reset 79xx series phones and load a new firmware on
them. Setup a laptop with a TFTP server on it and on most I have been able to
recover what looked like a bricked unit.
Thanks
Terry
Terry Oakley
Telecommunications Coordinator | Information Technology Services
Red D
*"The code for the network preservation hard reset is: *7412369#085"*
And then there were three.
Wes, Ryan, Brian, how many are there really?
On Mon, Feb 12, 2018 at 9:31 AM Terry Oakley wrote:
> I have used the below to reset 79xx series phones and load a new firmware
> on them. Setup a lapt
There are 3 I can find documented internally.
1. Soft Reset (documented publicly)
2. Hard Reset (see below)
3. Hard Reset but keep network settings (Terry’s)
The hard reset is:
3491672850*# - the “nuke it from orbit” option which is a total format the
flash, hard reset but does not preserve the n
That was awesome guys, however, I tried many times what you said but the phone
can’t pass Green LED light on Speaker phone.
Here is what I have done,
Plug in POE cable to power up the phone,
Press # button, and get to the green light on speaker phone and stay there
like forever. I can’
Vinnie do you have the # button pressed before or after you plug in the POE
cable? You need to have the # button pressed before.
Terry
From: cisco-voip [mailto:cisco-voip-boun...@puck.nether.net] On Behalf Of
Vinnie Dao
Sent: Monday, February 12, 2018 10:25 AM
To: 'Ryan Ratliff (rratliff)' ;
For what it’s worth the symptom you describe matches the Field Notice that was
provided earlier. This means one of the memory modules has died and the phone
cannot be recovered (that I know of).
-Ryan
On Feb 12, 2018, at 12:44 PM, Terry Oakley
mailto:terry.oak...@rdc.ab.ca>> wrote:
Vinnie do
I gave up yesterday base on the Field Notice, but will try again to see if I
get any lucky. And Terry, will try again sometimes today with # button
pressed before plug in the cable. Thank you very much to all for your time
and have a great day
From: Terry Oakley [mailto:terry.oak...@r
Ryan is quite likely correct.
What I have done in years past to tell if a phone is really unrecoverable
or is instead just stuck in a post-factory-reset loop where it's looking
for firmware is to packet capture the phone's port. I plug it into a switch
and setup a port monitor/span to a machine ru
If it boots up and goes to speaker and sits there with no output it is probably
dead per the field notice that was already posted. We have had a bunch of
those.
The hallmark of the "oops my firmware fell out" state in times past was the
cycling lights, lights that would go off, and, if the pho
