[cisco-voip] IP Phone SIP Firmware back to SCCP

[Jason Aarons (US)]

I have new out of book 7945s 8.5(3) SCCP that will flip to SIP and back to SCCP based upon how the phone is configured in CallManager 7.1(3). I can go back/forth all day with no issues between SIP/SCCP.  Really cool.

-----Original Message-----
From: cisco-voip-bounces at puck.nether.net [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Ryan Ratliff
Sent: Thursday, April 15, 2010 1:54 PM
To: Frank Arrasmith
Cc: cisco-voip at puck.nether.net
Subject: Re: [cisco-voip] IP Phone Firmware

You need to be on sccp 8.0(6) firmware or later before you can upgrade to 8.1(2) on the 7940/60 phones.   This is very similar to the issues upgrading to 8.5(2) and later on the third-gen phones.

I don't know what SIP firmware (if any) would allow an upgrade to 8.1(2).


-Ryan

On Apr 15, 2010, at 12:39 PM, Frank Arrasmith wrote:

> I have 7960's that were all configured as SIP v3 firmware for a project that never happened.  When trying to convert one back, I couldn't get it to load SCCP firmware from the Call manager(6.1.4) so I loaded SCCP v5 Firmware from a standalone TFTP server, but now when I try to register to the call manager, it registers and gets a DN, but the phone persistently reboots with error"File Auth Fail File:P00308010200.sbn, File not found" .  I looked in the CUCM TFTP directory and that particular file is there.  Documentation has not helped.  Am I missing something, or did i just make a Doorstop out of this phone?
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