[cisco-voip] 7960 firmware load P00306000400

[Candace Holman]

P00306000400 and P00305000400 are version 6.0(4) and 5.0(4), respectively, 
and both are signed binary files.

Firmware naming conventions:
http://www.cisco.com/univercd/cc/td/doc/product/voice/c_ipphon/english/ipp7960/addprot/mgcp/frmwrup.htm#wp1045867

Candace

At 07:58 PM 12/2/2004, Vandy Hamidi wrote:
>Sorry, Found this on Cisco.com
>
>Signed and Unsigned Images (Image Authentication)
>There are two types of images that are used on the Cisco IP Phone 7960
>and 7940: signed and unsigned. Image authentication is done through
>signed binary files. Signed images have a .sbn extension, while unsigned
>images have a .bin extension.
>
>Image authentication requires that the binary image not be changed prior
>to being loaded into the phone. Versions prior to 5.x accept unsigned
>binary files.
>
>Version 5.x and later images accept only signed binary files, which
>improves security on the Cisco IP Phone 7960 and 7940. However, the use
>of signed binary files does not allow you to return to an earlier
>software version. Once a Version 5.0 firmware image is installed, for
>instance, regardless of protocol, it cannot be replaced with any
>previous version. The firmware image can be replaced only with another
>signed image 5.x or later. All versions prior to a Cisco IP Phone 7960
>and 7940 Version 5.0 will not load onto the phone after it is installed.
>
>
>
>
>-----Original Message-----
>From: Vandy Hamidi
>Sent: Thursday, December 02, 2004 4:58 PM
>To: 'Mike Armstrong'; cisco-voip at puck.nether.net; Candace Holman
>Subject: RE: [cisco-voip] 7960 firmware load P00306000400
>
>Found this on Cisco.com
>
>
>-----Original Message-----
>From: cisco-voip-bounces at puck.nether.net
>[mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Mike Armstrong
>Sent: Wednesday, November 24, 2004 1:21 PM
>To: cisco-voip at puck.nether.net; Candace Holman
>Subject: Re: [cisco-voip] 7960 firmware load P00306000400
>
>Did you try to go the other way -- i.e., upgrade to P00306000500?
>That's
>what I'm running, and the time seems to be synched OK.  Of course, there
>may
>be other problems, but none that seem to affect us.
>
>mike
>----- Original Message -----
>From: "Candace Holman" <Candace_Holman at harvard.edu>
>To: "Mike Armstrong" <mfa at crec.ifas.ufl.edu>;
><cisco-voip at puck.nether.net>
>Sent: Wednesday, November 24, 2004 3:08 PM
>Subject: Re: [cisco-voip] 7960 firmware load P00306000400
>
>
> > No, this isn't a problem here.  Also, I discovered that there are
>several
> > 7960's that have this problem.  Some of the phones still use the
>default
> > load and some just won't downgrade to the default load.  If noone has
> > seen/fixed this problem I guess I'll open a TAC ticket and report a
>bug or
> > RMA them.
> >
> > The reason this is a problem is that this load will not keep a correct
>
> > clock synchronization with CM 3.3.3.
> >
> > Candace
> >
> > At 01:57 PM 11/24/2004, Mike Armstrong wrote:
> >>I had a similar problem, which turned out that I had updated phone
> >>firmware loads in the CM Publisher OK, but neglected to update the
> >>Subscriber. However, the phones were registered to the Subscriber, so
>when
> >>they reset, they got the loads that were in the Subscriber.  I do
>remember
> >>looking in the Subscriber System->Device Defaults and seeing the new
>loads
> >>listed, and thinking that somehow the Subscriber had automagically
>updated
> >>itself. Needless to say....
> >>
> >>Mike Armstrong
> >>UF/IFAS CREC
> >>
> >>>Date: Tue, 23 Nov 2004 15:43:59 -0500
> >>>From: Candace Holman <Candace_Holman at harvard.edu>
> >>>Subject: [cisco-voip] 7960 firmware load P00306000400
> >>>To: cisco-voip at puck.nether.net
> >>>Message-ID: <5.2.1.1.2.20041123153736.02a34720 at camail.harvard.edu>
> >>>Content-Type: text/plain; charset="us-ascii"; format=flowed
> >>>
> >>>I have a phone stuck with firmware load P00306000400 (6.0-3).  I set
>the
> >>>device record in CM (3.3.3) to force it to use P00305000400 (5.0-4)
>and
> >>>it
> >>>will not pick up the older load on a reset.  There are no errors in
>the
> >>>status messages on the phone, and no tftp errors on the server.  Does
> >>>anyone know a workaround?
> >>>
> >>>Thanks,
> >>>
> >>>=====================================================================
> >>>Candace Holman
> >>
> >>_______________________________________________
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> >>cisco-voip at puck.nether.net
> >>https://puck.nether.net/mailman/listinfo/cisco-voip
> >
>
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