While the NV160 supports WMM, and the controlling device will definitely handle QoS, the only real concern you should have is roaming from one AP to another. If you have multiple NV160(s) and the user travels beyond reach of it's currently connected AP, it will drop the connection and immediately connect to the closest AP. A call may be dropped, or may suffer voice quality degradation during the disconnect and connect time. I've been told it only takes about 50ms for that to happen. True roaming works great, but I've only seen it on the BlueSocket line. It's funny, because the NV160 and the BSAP 1800 are the exact same hardware. Way different firmware and control though. I've had both here in my facility. They're both great products. If roaming becomes an issue, Adtran will probably take your NV160's for trade-in towards BlueSocket AP's. The ProCloud management is pretty cool too. Check with a local dealer (unless you are a dealer) or their website if you are interested. The NV160 is a solid AP, and will probably work well for your application. I just wanted to let you know that the BlueSocket solution is my first choice for supporting VoIP applications because of the more granular QoS roaming support. BlueSocket is much more affordable now that Adtran has made ProCloud management available.
I hope this helps.
R\
