Re: convert cisco skinny phone to mgcp

On Tue, Nov 16, 2004 at 05:31:08PM -0800, Purvi wrote:
> Hi,
> 
> I am in the process of converting cisco skinny phone to mgcp phone.
> Looked up all the instructions and created OS79XX.TXT with mgcp firmware
> and also created protocol specific files, all on tftp server.

I recently came across an issue where a skinny 7960G did not want to accept
the SIP software.  The issue involved that the skinny version was before
the universal loader.  I unzipped the SIP files into the tftp directory
but the OS79XX.TXT file had P003 as the first 4 characters.  Since the
phone was already running the P00 (skinny) software, it would not load
the image.  I copied the P00 bin file to P0S and updated the OS79XX.TXT
file.  After rebooting the phone, it successfully loaded the SIP load.
I suspect that the same thing should work for the mgcp load.

- Dennis
> 
> server logs will show the os79xx.txt getting downloaded  by the phone but
> phone still
> requests for SEP... file instead of asking for new image or new MGC file.
> 
> Are there any limitation on how many time a phone can be converted from one
> protocol to other?
> 
> I also tried updating the loadinformation in SEP file to indicate
> POM3-05-3-00
> file thinking that this might trigger the phone to fetch new image but
> nothing happens. Phone starts its procedure of considering tftp server
> as default call manager and starts the skinny messages, which ofcourse
> will fail and phone will go back to start of osx79xx.txt file.
> 
> Its as if cisco phone ignores os79xx.txt and continue acting as per the
> stored image.
> 
> Idea on how to over come this will be of great help.
> 
> -Purvi
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