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Phones not registering

smolz
Level 4
Level 4

Recently performed an upgrade og cucm from 7.1.5 to 9.1.  All phones were upgraded from 8.5.3 to 9.3.1 except for one site, this site is now having issues. 

This site also has different phones then the other sites, a mixture of 7945 and 6921's.  The issue is that these phones, for the most part, are not registering to their primary ucm.  the phones boot, look like they try to register to the primary and then end up registering to the secondary.  the phones that do register to the primary are also still running their original firmware (8.5.3)

6 Replies 6

Chris Deren
Hall of Fame
Hall of Fame

Is the DHCP scope at this site configured to point to the same TFTP option as the other working sites?

Chris

yes

I would focus on why the phones are not getting upgraded, first review the phone config to ensure it is not hard coded to a specific version, if that is not the case then use wireshark and/or phone console logs to review why things are not working as expected.

HTH,

Chris

Hi,

I think your phone model doesn't support direct upgrade from 8.5.3 to 9.3 and as you said that the remote site phone models are different from the other site then in that case please have a look for below link

https://supportforums.cisco.com/thread/2254902

Regards,

Nishant Savalia

Regards, Nishant Savalia

Ajay Viswanath
Level 1
Level 1

As far as the 79XX series is concerned I see the upgrade should happen as the intermediate firmware required is 8.5(2) and you are running on 8.5.3, so it should work.

http://www.cisco.com/en/US/docs/voice_ip_comm/cuipph/7900_series/firmware/9_3_1/release_notes/P790_BK_RF1DAED3_00_rn-9_3_1-7900-series.html#CUIP_TP_S3B5C8CB_00

For the 6921 series you need to do an intermediate upgrade to an unsigned 9.X version and then do the upgrade to 9.3.1

http://www.cisco.com/web/software/282074288/92197/cmterm-6921_6941_6961-sccp.9-3-1-3-readme.html

Try deleting the CTL/ITL files on the 79XX phones and check.

Rate if it helps

Regards

Ajay

smolz
Level 4
Level 4

I have found something strange, it turns out that the phones that are not registering to the publisher are also not pingable from the publisher.  All of these phones and the publisher are in the same subnet, yet some are pingable and some are not.

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