[Asterisk-Users] cisco7940 upgrading problem - Emailfound in subject

Tue May 3 07:54:38 MST 2005

Ah... the on going saga of upgrading Cisco phones to SIP ... have a look at 
this
recent Cisco authored document:

    http://www.tubby.org/cisco-voip/Cisco_7940_and_7960_firmware_upgrade_matrix.pdf

and see if you can get your head around it...

I'm planning on writing a "Cisco phone upgrading HOWTO" but just need some 
round-tuits!

In summary:

    - Cisco have three firmware suits for the  7940/7960 (MGCP, SCCP and 
SIP)

    - Cisco have added cryptographic signing of binaries that run on the 
phones and a
      bootloader called the Universal Application Loader (UAL), this means 
that there are
      "old" (unsigned) binaries and "new" (signed) binaries

    - To upgrade you need to follow (carefully) the advice in the Cisco 
document, but
      even then it may fail to work -- hence why I am going to write a HOWTO

    - Cisco's own documentation is _wrong_ and _misleading_ in places --  
hence why
      I am going to write a HOWTO.  For example the SIP 7.xx Administrator's 
Guide
      still refers to phones fetching by TFTP the OS79XX.TXT file when they 
do not --
      you can see by running a network analyser and watching the TFTP RRQs. 
I have
      told Cisco about this documentation error and I beleive it'll be fixed 
in the next
      release ;o)

Upgrading from early SCCP image to recent SIP image (Mike's method)

The process which I use and which is repeatable is not the same as the one 
Cisco
recommend -- I have not been able to get the phone to upgrade from early 
SCCP
to late SIP in a single step.

You will need the following:

a) a TFTP server

b) a DHCP server configured to support "option 66" as an IP address and
pointing at the TFTP server and "option 150" as an IP address and pointing 
at
the TFTP server

c) a version 6.xx SCCP image for the 7940/7960 -- CallManager 4.0(1) has
this in the Cisco TFTP server directory -- you need these files:

    [root at gate tftpboot]# ls -l P00306000100.*
    -rwxr--r--  1 root root 124592 Jan  5  2004 P00306000100.bin
    -rwxr--r--  1 root root    461 Jan  5  2004 P00306000100.loads
    -rwxr--r--  1 root root 606306 Jan  5  2004 P00306000100.sb2
    -rwxr--r--  1 root root 124996 Jan  5  2004 P00306000100.sbn
    [root at gate tftpboot]#

d) the latest SIP firmware, eg. P0S-07-4-00 -- for example:

    [root at gate tftpboot]# ls -l P0S3-07-4-00.*
    -rwxr--r--  1 root root 592222 Mar 10 15:44 P0S3-07-4-00.bin
    -rwxr--r--  1 root root    461 Mar 10 16:01 P0S3-07-4-00.loads
    -rwxr--r--  1 root root 592626 Mar 10 15:45 P0S3-07-4-00.sb2
    [root at gate tftpboot]#

e) a text editor to fiddle with config files

The way I upgrade phones is two-pass:

    1. upgrade from early SCCP to late SCCP, eg 6.0(1)
    2. upgrade from late SCCP to current SIP

this fixes the problem of getting the UAL in to the phone so that it will be
happy to load the SIP image.

Procedure:

1. Put all of the files listed above in the root of the TFTP server

2. Ceate file OS79XX.TXT and put the following in it:

    P00306000100

   on a single line

3. Ceate file SEP<mac-address>.cnf.xml and put the following in it:

    <device>
    <loadInformation>P00306000100</loadInformation>
    </device>

4 Boot the phone and wait -- I recommend watching the TFTP server for 
activity.

   The phone should:
        a) boot up with whatever version of SCCP is in it, eg. P0030202MFG2
        b) grab the OS79XX.TXT file
        c) download the non-secure SCCP 6.0(1) image -- it doesn't know 
about
                signed images at this point
        d) upgrade itself (install the UAL and SCCP 6.0(1) image)
        e) reboot
        f) query the TFTP server again
        g) load the secure/signed version of the SCCP 6.0(1) image

   You now have an upgraded 7940/7960 with a recent SCCP image 6.0(1) in it
    which has the UAL and can load signed images.

5. Remove the OS79XX.TXT file -- yes -- this is one of the places that me 
and
   cisco disagree

6. Edit the file SEP<mac-address>.cnf.xml created previously and change the
   load id to the SIP image

    <device>
    <loadInformation>P0S3-07-4-00</loadInformation>
    </device>

7. Boot the phone again.  The phone will go for the OS79XX.TXT file -- don't
   worry about this, it will timeout and then go for the 
SEP<macaddress>.cnf.xml
   file and download the SIP image

8. Leave the phone for some time, the UAL will load the SIP image, then 
reboot
   and then come up again.

9. Eventually the phone will switch to SIP-mode and will say UNPROVISIONED
   because it failed to obtain the file SIP<mac-address>.cnf from the TFTP 
server

You're now up and running with SIP -- you need to create the following 
files:

    SIP<mac-address>.cnf
    SIPDefault.cnf
    dialplan.xml
    RINGLIST.DAT

to suit your installation, configure Asterisk, etc.

Mike

----- Original Message ----- 
From: "Betül Gözlükoğlu" <betul.gozlukoglu at hassan.com.tr>
To: "Asterisk Users Mailing List - Non-Commercial Discussion" 
<asterisk-users at lists.digium.com>
Sent: Tuesday, May 03, 2005 2:48 PM
Subject: RE: [SPAM] - Re: [Asterisk-Users] cisco7940 upgrading problem - 
Emailfound in subject

I found the necessary documents on www.voip-info.org and create 
XMLDefault.cnf.xml it starts downloading but now it says "Protocol 
Application Invalid" ...It tries periodically and gives that error...
Do you have any idea what should I do now?
-----Original Message-----
From: Kristof Hardy [mailto:kristof.hardy at catsanddogs.com]
Sent: Tuesday, May 03, 2005 3:48 PM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: [SPAM] - Re: [Asterisk-Users] cisco7940 upgrading problem - Email 
found in subject

Betül Gözlükoğlu wrote:
> I have Cisco 7940 with version 3.2 sccp and want to upgrade it to sip...I
> got the firmware P0S3-07-4-00...When the phone tries to reach the tftp
> server gives conf. error and in status messages
> It says CFG File Not found...Is it because of version problem or something
> else? Does anybody have any idea?

That is described on www.voip-info.org, search that site for "cisco
7940", you will find some details about the upgade process.

If it still doesn't work just let us know..

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