Hi,
Take care which version of the firmware you try to upload.
The new version (5.x) is digitally signed and you will not be able to do any
downgrade in the future.
You will not be able forever to upload any firmware which is not digitally
signed by Cisco.
BR,
Dan
----- Original Message -----
From: "Matthew Hardeman" <mhast@papersoft.com>
To: <asterisk-users@lists.digium.com>
Sent: Thursday, July 10, 2003 10:52 PM
Subject: [Asterisk-Users] Cisco 7960 SIP Craziness...
> Hi All!
>
> First, let me introduce myself, as this is my first post to the list
> (I've been lurking for quite some time now).
>
> My name is Matt Hardeman, and I work for a software development firm in
> Birmingham, AL.
>
> We are interested in the Asterisk PBX and it's various configurations
> first as an internal solution for our occasionally bizarre telephony
> needs, and eventually are interested in potentially working with
> Asterisk commercially and building services around it.
>
> Anyway, at this state in the game I am currently playing with my
> Asterisk configuration with various SIP devices, trying to find the
> ultimate desktop UI.
>
> Currently, I've purchased a Cisco 7960 which unfortunately comes
> pre-installed with a CallManager image.
>
> No problem, or so I thought. The reseller sent me the latest SIP
> firmware.
>
> I have set up my TFTP server, and the phone talks to it, downloads is
> OS79XX.TXT file, etc, etc.
>
> When it goes to download the firmware image, it fails the download, and
> keeps repeatedly trying. This scenario is covered in the Cisco FAQ for
> converting a CallManager 7960 to SIP. It essentially is a bug in the
> firmware on the phone which requires upgrading to an intermediary, older
> SIP firmware first. URL:
> http://www.cisco.com/en/US/tech/tk652/tk701/technologies_tech_note09186a
> 0080094584.shtml
>
> I don't have this, and my reseller doesn't have it handy either,
though
> they promise to get it (some day?).
>
> At any rate, I've opened a Cisco tech support incident with hopes that
> they'll be able to provide me the files quick and easy..
>
> But, that failing, can anyone out there send me P0S30200.bin???
>
> Thanks,
>
> Matt Hardeman
> PaperSoft
>
>