Replacing a large number of phones

Unanswered Question
Dec 2nd, 2009

I'm in the process of replacing 30-40 phones.  The old phones are 7960s and the customer has purchased 40 524s.  I need to do a replacement and looking for the easiest and quickest way to do this with out (hopefully) loosing everyones voicemail, etc.

I have this problem too.
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John Platts Wed, 12/02/2009 - 09:50

Here are the steps for replacing a 7960G phone with a 524G phone:

  • Unplug the old 7960G phone.
  • Ensure that you are running UC520 software pack 4.2.7 or later.
  • Be sure that the 524G phone load is installed on your UC500 unit, and that the following has been configured:
    • telephony-service
      • load 521G-524G cp524g-, with being replaced with the actual version of the CP-524G phone load
  • For each phone being replaced, do the following:
    • Go into CLI, execute the conf t command, followed by the following for each phone being replaced:
      • ephone , with being replaced with the actual ephone tag of the 7960G phone being replaced with the 524G phone after the 7960G phone has been unplugged
      • reset
      • mac-address
      • type 524G
      • telephony-service
      • create cnf-files
    • Don't forget to execute wr mem to save the updated configuration.

You will not lose any voicemail configuration if you make the changes following the steps above. However, be sure that you only have 4 buttons configured because the 524G phone only has 4 buttons whereas the 7960G has 6 buttons. The 524G phones do not support octo line, whereas the 7960 supports octo line. Be sure that your ephone-dns are dual-line instead of octo-line before performing the switch to 524G phones.

524G phone load configuration example:

UC520#conf t

UC520(config)#tftp-server flash:/phones/521_524/cp524g-8-1-17.bin alias cp524g-8-1-17.bin


UC520(config-telephony)#load 521G-524G cp524g-8-1-17

Phone reconfiguration example:

UC520#conf t

UC520(config)#ephone 5


UC520(config-ephone)#mac-address 0024.5555.0001

UC520(config-ephone)#type 524G


UC520(config-telephony)#create cnf-files

Saving updated configuration:

UC520#wr mem

chris unger Thu, 12/03/2009 - 09:32

the CLI method is best i the situation I was in, changing out one at a time.  BUT if I could have done them all at once AND my config was in band I would have perferred the CCA method.  Mostly because that's what our FEs are trained in, not so much the CLI

Steven Smith Thu, 12/03/2009 - 08:38

It takes awhile, but you can do this in CCA.  Don't plug in the new phones.  Unplug the old phones.  Go into CCA and change the mac addresses and phone types to be the new phones.  Plug in the new phones, and that should fix it.


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