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7925g, UC560, and 2504 poor roaming

Hello All,

I've been searching the forums and product data sheets, release notes etc... but I can't seam to work out what is the current definative documetns I should be reading to

- A setup the WLC to ensure I have the correct requirements for the 7925g handsets

I have read documents on 7925gs needs and have 20% overlap of signal strength etc..  I have walked the site with 3 handsets on site survey mode and at any time the all have about -58 to -67 from multiple AP's.  Tried A freq and similar results of call audio loss.

I have read documents re various WLC's 5508 4400 2100 etc.. regarding QOS, WPA and roaming, but I still get an issue of rubbish roaming with about 3sec audio cutoff of voice between AP's and then call returns. 

A little about the site:

- 17 1142 AP's

- 2504 WLC                     running 7.4.100.0

- 13 7925g handsets          running 1.4.4.3

- 10 7600 series wired handsets (which work without fault)

- 1 x UC560                 running 8.6

No radius server.  I even set the SSID to no security in an attempt to verify raoming, but appears this makes no difference.

Ive setup the 2100's and never had a problem.

Any pointers or documents I should be reading or a deffinative "set to this config" would be appreciated. 

David

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7925g, UC560, and 2504 poor roaming

Duplicate posts.

Enthusiast

Hi,Disable the DHCP Address

Hi,

Disable the DHCP Address Assignment Required Option in WLC, beacause it is not good to use with non-windows clients, which don't do DHCP renew until lease time expires.

Cisco 7921 or 7925 phones might have voice problems while they roam if this option is enabled, as the controller does not allow voice or signaling traffic to pass until the DHCP phase is completed

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