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New Member

CP-6921 firmware upgrade issue

Hi All,

We have 40 no's of CP-6921 with firmware 8.5.1.66.22 which were not used since 2010. Now we are trying to use them and we are not able to upgrade the firmware to 9.3.1.2 as our CUCM version is 8.6.2a SU3. Can anyone kindly suggest whether there are any hops to upgrade from 8.5.1.66.22 to 9.3.1.2. If so then the exact hops and the procedure to upgrade the firmware.

Regards

Sankar.

13 REPLIES
New Member

CP-6921 firmware upgrade issue

Hi Sankar,

Please send the exact error you are getting.

VIP Purple

CP-6921 firmware upgrade issue

Hi Sankar,

You need to install DEvice Pack.

regds,

aman

VIP Purple
Cisco Employee

CP-6921 firmware upgrade issue

Hi,

Installing a device pack will not solve this.

The problem is that you have a 8.5x FW and 9.3x FW can be upgraded ONLY from 9.x FW, you can check this on the release notes:

QUOTE:

"Upgrade Notes

Direct upgrades, using signed load files, are supported to firmware releases 9.3(1) from 9.x."

Also note:

"Direct upgrade from firmware release 9.0(x) to  9.3(1) is supported. After you upgrade from an earlier firmware release  to 9.3(1) and for subsequent firmware releases, you can upgrade or  downgrade only to signed firmware releases. "

So what you need to do is to go to 9.0 or 9.1.1 first then 9.3x,

RN for FW 9.0.2

"Installation Upgrade Notes

Direct upgrades, using unsigned load files, are supported from firmware  release 8.5(4) to 9.0(2). You can use the following firmware release  file for these direct upgrades:

cmterm-6921_6941_6961-sccp.9-0-2-0-uns.cop.sgn"

http://www.cisco.com/en/US/docs/voice_ip_comm/cuipph/6921_6941_6961/firmware/9_0_2/english/release/notes/6900_902.html#wp178332

RN for FW 9.1.1

"Installation Upgrade Notes

Direct upgrades, using unsigned load files, are supported to firmware releases 8.5, 9.0(x), and 9.1(1)."

http://www.cisco.com/en/US/docs/voice_ip_comm/cuipph/6921_6941_6961/firmware/9_1_1/english/release/notes/6921_911.html#wp197107

If this helps please rate.

HTH

Christian Nuche

PDI HD Team.

www.cisco.com/go/pdihelpdesk

VIP Purple

CP-6921 firmware upgrade issue

Hi Christian,

Thanks for guidance.

So, we should follow the path 8.5 ---9.0(2) signed---device PACK -----9.3(3)SR1 signed.

regds,

aman

Cisco Employee

CP-6921 firmware upgrade issue

Hi,

The device pack is not necesary, but that should include that 9.3 FW, so that is fine.

If this helps please rate.

HTH

Christian Nuche

PDI HD Team.

www.cisco.com/go/pdihelpdesk

VIP Purple

CP-6921 firmware upgrade issue

Hi Christian,

thanks for reply[+5]

I was just going through release notes of 9.3(3)SR1 which says that before deploying 9.3(3)SR1 firmware , Call manager must be updated to latest Device Pack.

http://www.cisco.com/en/US/docs/voice_ip_comm/cuipph/6900_series/firmware/9_3_3SR1/release_notes/P069_BK_R30E3F57_00_rn-9_3_3_sr1-6900-series.pdf

regds,

aman

New Member

CP-6921 firmware upgrade issue

Hi Christian,  I am trying to upgrade one qty of CP-6921 phone via TFTPd32 server, but it is downloading only xmldefault.cnf . Remaining files it is not downloading. I tried to upgrade from 8.5.1 to 8.5.2, 8.5.4, 9.0.2 uns also but it is not working. Kindly suggest.  Regards Sankar.

Cisco Employee

CP-6921 firmware upgrade issue

Hi,

I recommend you to use CUCM, using a TFTP server is not an officially supported method, if  you decide to go that way I found these: (make sure to download the zip file)

https://supportforums.cisco.com/docs/DOC-23730

https://supportforums.cisco.com/docs/DOC-29065

additionally:

http://www.cisco.com/en/US/products/hw/phones/ps379/products_tech_note09186a0080a277a3.shtml

HTH

Christian Nuche

PDI HD Team.

www.cisco.com/go/pdihelpdesk

New Member

CP-6921 firmware upgrade issue

Hi Christian,

I have done the upgrade of the CP-6921 IP Phone from 8.5.1 to 8.5.4 and then to 9-0-2-0-uns through CUCM. But i am now stuck at 9-0-2-0-uns. I am not able to go ahead as it is showing Upgrade failed when i try for 9.3.3.2 .  Kindly suggest.

Regards

Sankar.

VIP Purple

CP-6921 firmware upgrade issue

Hi Sankar,

Did u upload Device Pack?

regds,

aman

New Member

CP-6921 firmware upgrade issue

Hi Aman,

I have uploaded the device pack 8.5.4 and the phone first got upgraded, the in uploaded 9-0-2-uns then also the phone got upgraded. Next i tried for 9-3-3-2 where the upgrade failed and the phone went to blank screen state.

Regards

Sankar.

CP-6921 firmware upgrade issue

Packet capture from the back of the phone so we can look into the firmware upgrade process and see when it fails.

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