Cisco 7937G Keeps Rebooting on a UC540 8.6.1

[davetechfreak]

Hi,

I am having a problem with a Cisco 7937 on a UC540 with an 8.6.1 software pack. Basically, the phone never registers and keeps rebooting all the time.

I think this is the same issue as in these two threads:

https://supportforums.cisco.com/thread/2133569

https://supportforums.cisco.com/thread/2066219

The phone firmware is 1-4-4-0. User and Network locale are both set to US.

I have tried the suggested in the above threads, but no joy.

Any ideas?

Thanks,

David

[johschaf]

Hello David,

This is a known issue. Please upgrade CCA to 3.2.3 and the software pack to 8.6.2

https://supportforums.cisco.com/docs/DOC-32439

CCA 3.2.3 Highlights:

CSCue46560: 7937 conference phone reloads when locale configured in CCA

Thanks,

-john

[davetechfreak]

Hi John,

Thank you so much for pointing that out. I am wondering how would I be able to implement the workaround (got that from the bugtool) which states the following:

---------------------------------

Workaround:

The workaround is to enter a tftp server entry for the sccp file used.

UC540(config)#tftp-server flash:/its/user_define_4_rp-sccp.jar

---------------------------------

What would be the 'user_define' in my tftp statement if I am using US as a default for both. When I do TFTP packet and event debugging I can see that the phone does actually download a sccp jar file. I am quite confused.

I am keen on the workaround as I won't be able to reinstall the box with the new software as it is in production and the customer is a bit angry already

Thanks,,

Dave

[johschaf]

Hello David,

In the TFTP event debug do you see the phone request and download that file?

Can you send me the output of show flash, so I can see what files you have on the flash?

Thanks,

-john

[davetechfreak]

Hi John,

I actually came back to the office for this one.

I uploaded the debug and the show flash to my original post. Have a look, although I saw something new I did not see the previous time I looked at the debugs - there is a TFTP request for something that starts with "United_States/g3-tones.xml" rather than "English_United_States...". Maybe this is the bug, that I did not see before...

Thanks,

David

[johschaf]

Hello David,

Please add the following to the configuration in CLI:

tftp-server flash:/English_United_States/g3-tones.xml alias United_States/g3-tones.xml

Thanks,

-john

[davetechfreak]

Hi John,

I did try that immediately after my last post - the result was that the file transfer was successful (for that exact file) but then it rebooted again. Also tried a factory reset and the same again.

Thanks for your input so far, mate!

David

[johschaf]

Hello David,

Can you post the following:

ephone config

ephone template config

telephony-service config

Thanks,

-john

[davetechfreak]

Hi John,

I have uploaded the config. All this was done through CCA 3.2.2. I have tried my best so far not to make any changes on the CLI...

Thanks,

David

[davetechfreak]

I actually removed this file from the tftp with:

no tftp-server flash:/English_United_States/rp-sccp.jar alias English_United_States/rp-sccp.jar

And the phone registers fine. Must be a problem with this JAR file?!

[Alexander Maroukian]

Hello David,

It is not  problem with the jar file but with the alias.

You have fixed it actually.

Best regards,

Alex

[shrikant.Nadiminti1]

Hi Alex,

We have similar issue "phone is rebooting continuously". We are using CME.

Version 8.6

Phone : SEP0004F2F7870E firmware is latest one.

Do i also need to remove the Jar file ?

I have attached the logs.

Regards

Shrikant

[miguelarrieta1]

Thank you very much David Zhivkov for sharing this workarround

It was exactly the same "user_define_4" for me to solve my problem.

But if you need to know the full path of your "user_define" just type 'show flash' comand

to see every file that have been uploaded into your flash; then you can include the rp-sccp.jar file into the tftp-server that is needed to boot your 7937G conference station.