I have a 7921 with CCM 6.1.1 and have gone through the set up procedure. I need to know how to configure the phone to our wireless AP's. The network dudes have told me the settings to put in the phone and the phone keeps cycling through Configuring CM List and will not work.
If you are getting as far as "configuring CM List" it sounds like you at least have access to the wireless or I would expect you to get network access errors. Have you got option 150 in the wireless DHCP scope/static IP on the 7921? Can the CM ping the phone IP address?
It sounds to me like all your wireless and CM side are configured correctly. But if the upgrade failed and the jitter is very bad, you must have a poor connection back to CM either on the wireless side or the LAN/WAN. I would check the wireless first as thats the most likely culprit.
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