Hello, I have six 7920 phones attaching to four 1242 autounomous APs. In a retail store environment. Users have complained about calls becoming distorted or dropping quite frequently. I can see the phones roaming from AP to AP and the lowest signal strength I have seen it hit before roaming was -71. I am not sure if there is a way to set the RSSI cut off to something like -60 for that WLAN, if there is, could someone provide details on how to do so? Or if someone has experiened similar issues, what was the workaround? Thanks in advance.