I have a CP-7921G phone that cannot connect to AP1242AG. It keeps saying "locating network services". (I think if the WEP key does not match, "authentication failure" will display.) But it is working well with BR1310G bridge. The configurations are identical in these 2 devices.
I don't see anything wrong in the configuration. I have come across couple of bugs regarding this error message. Check for interference in you locality and try changing the channel number. Also try upgading the firmware of the phone.
Transferring Crash file from standby: Login to the Active WLC in HA.
From CLI: (Cisco Controller) >transfer upload datatype crash (Cisco
Controller) >transfer upload filename (Cisco
Controller) >transfer upload mode tftp (Cisco Controller) >transfer
This is the start of a display filter cross reference between Wireshark
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