7921's getting network busy when WMM enabled
WLC 4404 running 4.1.185.0
7921's running 1.2.1
CUCM 6.1
If WMM is enabled the phones cannot dial, they just get "NETWORK BUSY" messages on screen. CAC settings don't matter, but if WMM in the WLC is set to anything except DISABLED then it doesn't work.
I believe you will find it there per default, if you enabled CAC through the GUI.
Please refer to "Cisco Wireless LAN Controller Configuration Guide, Release 4.1". See "Chapter 4 - Configuring Controller Settings" and look for "Using the CLI to Configure Voice Parameters". When doing a "show running-config", verify that all parameters from the guide are present and set to the correct (i.e. default) values.
http://www.cisco.com/en/US/docs/wireless/controller/4.1/configuration/guide/c41ccfg.html#wp1091874
I'm not sure I understand why it should be a problem with the controller being on a remote site. The Command Line Interface is remotely accessible through telnet or ssh. Only Console access requires physical access to the box. See "Chapter 2 - Using the Web-Browser and CLI Interfaces"
http://www.cisco.com/en/US/docs/wireless/controller/4.1/configuration/guide/c41intf.html#wp1097698
I don't think it's necessary to upgrade the firmware in this case. If you however do so, you can always downgrade again. Just read the relevant release notes and articles.
Good luck.
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{------------ Please click the "White Kudos" Thumbs Up to say THANKS for helping.
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Sahil bhatejaHi，
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Thanks for the response. I really do appreciate it.
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