[VoiceOps] WiFi SIP phones recommendations
robert.j at bendtel.com
Mon Sep 21 15:40:18 EDT 2015
On 09/21/2015 12:32 PM, Aaron Seelye wrote:
> On 9/19/15 8:42 AM, Jay Ashworth wrote:
>> ----- Original Message -----
>>> From: "Alex Balashov" <abalashov at evaristesys.com>
>>> On 09/08/2015 03:35 PM, Carlos Alvarez wrote:
>>>> Every Wifi phone I've tried will roam just fine between APs assuming
>>>> the APs are properly configured.
>>> Really? Can this take place seamlessly mid-call? With DHCP? What about
>>> DHCP lease acquisition delay?
>> An access point is an L1 bridge; everyone on the wireless side of every
>> AP are all on the same LAN with the same addressing.
>>> Would such a configuration involve merely bridging all the APs on the
>>> same LAN segment so that the same DHCP server feeds them? If so, where's
>>> the guarantee that the DHCP server will lease out the same IP address
>>> to the client?
>> Access points. Not routers.
> This implies that a level of intelligence/sophistication is (or isn't)
> in the client unit that when it bounces to a new AP it wouldn't run a
> refresh on the lease. It would be very reasonable to think that an AP
> with the same name might be on a different subnet (different
> regions/depts of a large building, or whatever), which would then render
> the call dead.
> What you're suggesting is intelligent handoffs similar to a cellular
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> VoiceOps at voiceops.org
Correct me if I'm wrong, but doesn't Ubiquiti's UniFi WiFi line do just
that? Is there something I'm missing when a client moves closer to AP
"B" and the network dynamically hands off the connection to AP "B"?
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