[Asterisk-Users] 7940/60 TFTP Problem

[John Todd]

>I was wondering if anyone else has had this problem.  I have 
>purchused several Cisco 7940 and 7960 phones.  Of the 5 phones so 
>far I have run accross 2 that that give me malformed TFTP and refuse 
>to upgrade to the latest version of SIP code -- 5.3.  In fact some 
>of the other phones also give malformed packets do this but they 
>seem to work OK.  The ones giving me the problem when looking in 
>ethereal are misiing part of the filename to get it upgraded to SIP.
>
>I know why it does not work, but why are these malformed packets 
>apearing.  I also tried to go to a windows based TFTP server 
>(original was linux TFTP) with the same results.
>
>Any ideas anyone?
>
>Babak


Some hints which may get you going:

   http://www.loligo.com/asterisk/Cisco/79xx/upgrading.79xx.phones

Re-name the files on your TFTP server to shorter names; I know I used 
that trick at least a few times in the past.

JT