[Asterisk-Users] Cisco phone firmware

[Greg Oliver]

You probably do not need firmware.  I have tried several versions on
70s, 60s, 12s, 05s and 20s (not 02s) with success.

If they are not even looking for TFTP, then from the phone, hit
Settings->2**#, and erase.  Make sure your DHCP server is kicking out
option 150 right (the correct TFTP server) - if it is Linux, you will
need to create several symbolic links due to the differing upper/lower
case requests from differing phones and firmware versions, but the
XmlDefault.cnf.xml should get them going fine.

Do a tcpdump from the server to make sure they are actually requesting
the files.

Setting->2 should list the correct DHCP / TFTP servers.

On Fri, 2005-11-04 at 15:51 -0600, Ryan Amos wrote:
> I understand that I must pay for a support license to download Cisco
> firmware, so I’m not trying to pirate it. I simply want to know what I
> need to buy in order to get firmware files for my phones. Does anyone
> have any helpful links they can give? What does this license cost?
> 
>  
> 
> Specifially, I need SCCP images for the 7902 and 7940… Does anyone
> have any experience with setting this up and can either give me a hand
> or point me in the appropriate direction? Most of the entries on
> voip-info.org were pretty light on details, just postings of different
> config files. Also, if I’m just doing skinny (no need for SIP, and the
> 7902s don’t support it anyway) do I even need firmware files? It seems
> like I do, but I can’t even seem to get my phones to try to tftp in
> and download anything.
> 
>  
> 
> Also, for anyone who has used either of these phones, how well do they
> work with asterisk? The chan_sccp2 drivers say they “mostly work” but
> I want to know what doesn’t work to see if I care. Any help would be
> appreciated, thanks.
> 
>  
> 
> --
> 
> Ryan Amosing
> 
> System Administrator, FineTooth
> 
> http://www.finetooth.com/ 
> 
> 512-637-3530
> 
>  
> 
> 
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