7975 Phones Won't Register

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Nov 4th, 2009
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After an upgrade last night from 6.1.2 to 6.1.4 some of our 7975 phones failed to register. We have sufficient DLUs and there doesn't appear to be anything in the traces to indicate what failed. Any ideas?

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Brian Carscadden Wed, 11/04/2009 - 10:03
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I appears these phones did not get the new firmware. I have some 7975s that are fine, but some that are on the old version. I've tried setting the "Create CNF" files in system parameters, and have reset the TFTP servers, though this hasn't resolved the problem.

Brian Carscadden Wed, 11/04/2009 - 10:12
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yes. Same subnet too ... phones are adjacent to each other and the network config looks good.

cris_jimenez Wed, 11/04/2009 - 10:17
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check the device defaults configuration and make sure that the default device pool matches the device pools that are assigned to your 75s

Brian Carscadden Wed, 11/04/2009 - 10:32
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Checked that already. The working 7975s have the load indicated on the Device Defaults, the non-working 7975s have an older version ... they just aren't upgrading their firmware.

cris_jimenez Wed, 11/04/2009 - 12:09
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why don't you hardcode the firmware under the phone settings .. phone load and shut down the switch port and bring the port back up

let me know if that helps


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