[c-nsp] Cisco Wireless VOIP IP phone issue

[Zach Hill]

I'll do another coverage analyses though just to be sure and crank the
access-points down a bit.


On Thu, Mar 28, 2013 at 2:51 PM, Zach Hill <zach.reborn at gmail.com> wrote:

> Sorry, I said -65dB but meant -55dB in looking at the graphing I did just
> the other week.
>
> Thanks,
>
> -Zach
>
>
> On Thu, Mar 28, 2013 at 2:49 PM, Zach Hill <zach.reborn at gmail.com> wrote:
>
>> Sorry but this isn't a wireless coverage issue. Doing wireless mapping it
>> nver drops below -65dB walking throughout the entire building. Laptops and
>> various other wirless network devices poll often enough to switch between
>> the access points as to never lose full bars. The Cisco IP Phones are the
>> only devices with issues.
>>
>> Based on my findings the IP Phones do not try and switch to the
>> nearest/strongest access-point often enough.
>>
>>
>> On Thu, Mar 28, 2013 at 2:40 PM, Scott Voll <svoll.voip at gmail.com> wrote:
>>
>>> This is not a phone issue, but a Wireless network design issue.
>>>
>>> What are you using for wireless?
>>>
>>> What does your coverage look like?
>>>
>>> There needs to be a very good overlap in order to have good voice
>>> coverage.
>>>
>>> There was a great wireless class at cisco live about voice design on
>>> your wireless network.
>>>
>>> Scott
>>>
>>>
>>> On Thu, Mar 28, 2013 at 10:09 AM, Zach Hill <zach.reborn at gmail.com>wrote:
>>>
>>>> Does anyone know if there is a way to make a IP Phone update it's
>>>> access-point more often? We're having an issue where traveling between
>>>> two
>>>> access points while on a call doesn't seem to poll for the strongest
>>>> wireless signal often enough. The symptoms include bi-directional voice
>>>> issues due to the low signal strength.
>>>>
>>>> It seems the phones attempt to stay with the access-point they were on
>>>> when
>>>> the call was made until it cannot reach it at all even at huge signal
>>>> loss.
>>>>
>>>> Thanks,
>>>>
>>>> -Zach
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>>>>
>>>
>>>
>>
>