[Asterisk-Users] 7940/60 TFTP Problem

[mick at netexpress.com.au]

Well I eventually got the 7940 loaded

Now does anyone have quick fix to get it to work with asterisk


Tar in advance

Regards Mick 

-----Original Message-----
From: asterisk-users-admin at lists.digium.com
[mailto:asterisk-users-admin at lists.digium.com] On Behalf Of Rich Adamson
Sent: Thursday, 9 October 2003 9:41 PM
To: asterisk-users at lists.digium.com
Subject: Re: [Asterisk-Users] 7940/60 TFTP Problem


Had those same problems with "some" 7960's but not with others. As
previously mentioned (below and by others on the list over the last
year), start by downloading sip v2.x, then v3.x, then v4.x then 5.x and
somewhere around v4.x remove all the comment lines in SIPDefault. It
will work. The problem has been observed by many. Since none of us have
7960 source code, we can only guess at what the root problem is.

Or, you can put the phones under Cisco maintenance, call the TAC center,
and they'll tell you to do the same thing.

------------------------
> Thanks to all that have responsed on this issue.  To clarify, I have 
> been able to
successfully upgrade at least 4 phones.  2 are giving me the malformed
packet problem.  
They were both running MGCP 3.3 code by the way.  
> 
> The phone goes through it's standard boot sequence, then looks for the

> file OS79XX.TXT
which it sees and downloads properly.  This file only contains the image
version I want 
the phoen to have:
> 
> P0S3-05-3-00
> 
> It then tries to download the file but iserts some garbage characters 
> in the name:
> 
> P0S3-05-3-00"Garbage".bin
> 
> at which point it does not upgrade since the file name contains 
> garbage characters.
This is the second phone I have seen do this same exact thing.  The
first was a 7940, this 
is now a 7960.
> 
> So in summary the process I have been using has been successful except

> with two phone
which are doing the same exact thing.
> 
> Thanks again for the attention to this matter.
> 
> Babak
> 
> Rich Adamson wrote:
> > 
> > > 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?
> > 
> > Without specific error codes, packet traces, etc, we can only guess.

> > Some real options include:
> > 
> > a) not all tftp servers are the same. Over about 15 years of 
> > experience,
> > many tftp servers have an issue with the last packet and how to
close
> > the session. Might research the exact software you're using.
> > 
> > b) the cisco phones seem to have an issue with the "comment" lines 
> > in the SIPDefault file (on the tftp server). Remove every one and 
> > test again. This seems to be highly dependent on the exact versions 
> > of SIP code implemented (in sequence) from v2.x upward. Some phones 
> > seem to have the problem while others don't.
> > 
> > Since we don't know what version of code was in the phone when you 
> > received it, best guess is to boot to v2.x, then 3.x, then 4.x, then

> > 5.x and I'll bet (at least a beer) the problem disappears. Why? 
> > don't know, but lots of similar comments on the list.
> > 
> > 
> > 
> > _______________________________________________
> > Asterisk-Users mailing list
> > Asterisk-Users at lists.digium.com 
> > http://lists.digium.com/mailman/listinfo/asterisk-users
> 
> --
> Babak Pasdar
> Founder/CTO
> IGX Global
> 389 Main St.
> Hackensack, NJ 07601
> www.igxglobal.com
> (201) 498-0555 ext. 2205
> 
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---------------End of Original Message-----------------


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