Wireless 7920/21 Problems / CCM Upgrade 4.1 to CCM 6.1

Unanswered Question
Aug 19th, 2008

Hi.

We did an upgrade from CCM 4.1(3) to CCM 6.1(2) and all phones upgrade their firmwares. All 7941/61/71 are registered but 7920/21 are in Locating Network Services and never comes up.

APs are working fine and no changes has been done to the Access Points. Is there problems with the 7920/21 firmware?

WLAN Driver ID: 5.3.1.15

WLAN Firmware ID: 4.3.0.20

Load ID:CP7921G-1.1.1.LOADS

Thanks in advanced,

Jose

I have this problem too.
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Chad Stachowicz Tue, 08/19/2008 - 12:41

I have had this happen before. Most likely it corrupted your WEP Keys in the phones. Go reenter your WEP key and see if you are good to go!

HTH, please rate useful posts!

Chad

jmujica Tue, 08/19/2008 - 13:48

Thanks,

I had to downgrade from firmware 1.2(1) to firmware 1.0(5) and now without changing anything else.. they came up and start working as expected.

Only problem is that now we need to go one by one to do the upgrade using the USB Interface and they are more than 100 Wireless Phones..

what a nightmare... probably 1.2(1) corrupted the WLAN driver or something..

Thanks again.

Jose

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