I have a question in regards to the 7925G and WLC power levels.
Currently we have a very dense deployment.
Just a brief overview of our WLC config:
Phones strictly using 5Ghz band
Channels being used: 36, 40, 44, 48, 52, 56, 60, 64, 100, 104, 108, 112, 116, 132, 136, 140, 149, 153, 157, 161
Max power level: 30 dbm
Min power level: -10
Data Rates: 6, 9 disabled | 12 Mandatory | 18, 24, 36, 48, 54 Supported
My question is, most of our AP's are at power level 7, what kind of effect does this have on the 7925G's? I know that the deployment guide specifies using Max power level: 16 dbm and min power level: 11 dbm. I'm afraid to do this because of such a dense deployment
I get complaints about audio going out during a conversation or when a user picks answers a call, they can't hear the person on the other side.
Firstly, upgrade your WLC to version 188.8.131.52.
Are you sure that most of AP's power level 7 in 5GHz band ?
You can set 14dBm max & 8dBm min in one place & see what is the difference it makes. I would capture before & after power level screenshot of 802.11a/n to verify.
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It sounds like you are ending up with coverage holes from your access points being turned down too far. If your access points are mounted much higher then normal and or not evenly distributed they are likely to turn themselves down too far. If you are concerned about turning them up too far, then I would recommend setting your minimum power level to 2dBm and slowly increasing it until your issues are resolved. Otherwise I would recommend that you get a site survey done. You may have too many access points and or they may need to be moved.
I hope this helps.