[cisco-voip] IP Phone Firmware conundrum

[Ryan Ratliff]

You simply need to put a load on the phones that is compatible with  
both 3.3 and 6.1.   This will vary depending on the phone model.  It  
looks like all of the latest loads will work with every version of  
CUCM past 3.3.  This includes 8.4(2) for 3rd gen phones and 8.0(10)  
for the 40/60 phones.


-Ryan

On Dec 3, 2008, at 10:03 AM, Jorge L. Rodriguez Aguila wrote:

We are in the process of upgrading a customer that has an existing  
ccm 3.3.4 deployment. Due to the nature of the old hardware and other  
issues the call has been made to bypass the DMA phase, Cisco created  
the licenses for the Devices as if in a new deployment, this part is  
ok. The issue comes in the fact that the phones currently in service  
are running old firmware from the 3.3.4 code of ccm. I am 98% sure  
that there is a need to move the phones to an intermediate load as  
they will probably fail to jump from such an old fw to the recent  
versions of fw code within 6.1 If anyone has done and upgrade such as  
this and can shed some info it will be greatly appreciated.



Jorge Rodríguez Aguila

CCNA,CCVP,CRMCS,CIPCES

Senior Voice/Data Network Consultant

Netxar Technologies

jorge.rodriguez at netxar.com

Office 787-765-0058

PCS 787-688-8530

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