[c-nsp] Cisco Wireless VOIP IP phone issue

Zach Hill zach.reborn at gmail.com
Thu Mar 28 14:51:32 EDT 2013


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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>>
>>
>


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