[cisco-voip] Radio caused reboot of IP phones

[Scott Voll]

UPDATE.  I believe your correct.  there are only a couple phones that this
actually does reboot.  Looking at the Hardware version makes me think your
correct.

Thanks to everyone for your help and insight.

Scott

On Tue, Mar 11, 2008 at 5:49 AM, Brad Rogers <BRogers at pasadenaisd.org>
wrote:

>  From what I understand, this is specific to a certain manufacturing run
> of 7940's and 7960's.    When they were manufactured they left out the RF
> shield.  When this happened to us we replaced some phones with new ones and
> it fixed the problem.
>
>
>
> *From:* cisco-voip-bounces at puck.nether.net [mailto:
> cisco-voip-bounces at puck.nether.net] *On Behalf Of *JASON BURWELL
> *Sent:* Monday, March 10, 2008 9:59 PM
> *To:* cisco-voip at puck.nether.net
> *Subject:* Re: [cisco-voip] Radio caused reboot of IP phones
>
>
>
> It seems to me the more urgent concern in this situation might be the
> radio's user being exposed to that level of RF radiation on a daily basis.
> If it is sending out enough TX wattage to make a 7941 reset, that can't be
> good for the body.
>
>
>
> Jason
>
>
>  ------------------------------
>
> *From:* cisco-voip-bounces at puck.nether.net on behalf of Wes Sisk
> *Sent:* Mon 3/10/2008 4:53 PM
> *To:* Scott Voll
> *Cc:* cisco-voip at puck.nether.net
> *Subject:* Re: [cisco-voip] Radio caused reboot of IP phones
>
> Known issue and not much we can do about it.  Phone has to be susceptible
> to RF interference by FCC rqmt.  Some phone models are more/less susceptible
> by housing insulation, but all do reset with enough RF close enough.
>
> /Wes
>
> Scott Voll wrote:
>
> Has anyone seen this before.
>
>
>
> one of our sites uses Kenwood ProTalk radios.  if you key the radio the IP
> phone (794x) phone reboots.  Totally reproducable.  Key the button reboot.
>
>
>
> Is this a know bug?  anyway to fix it?  in the event of an emergency when
> both phone an radio are needed, this could be really bad news!
>
>
>
> TIA
>
>
>
> Scott
>
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