[asterisk-users] IEEE 802.1x capable sip phones

[Olivier]

2008/1/10, Robert Moskowitz <rgm at htt-consult.com>:
>
> Olivier wrote:
> >
> >
> > 2008/1/10, Robert Moskowitz <rgm at htt-consult.com
> > <mailto:rgm at htt-consult.com>>:
> >
> >     Jeronimo Romero wrote:
> >     >
> >     > Does anyone know if sip phones from any of the major IP phone
> >     vendors
> >     > support 802.1x authentication? Any feedback would be greatly
> >     appreciated.
> >     >
> >     This is so unlikely.  I worked on 802.1X and 802.11i.  There is
> >     just too
> >     much overhead there.  No way to meet the ITU 50ms disruption
> >     requirement.
> >
> >
> > Do you mean ITU is asking phone to authenticate within a 50ms time frame
> ?
> > Or do you mean, RTP flow encryption shouldn't exceed 50ms ?
> The later.  So an authenticate while a flow is in process can kill the
> call.  This is what can happen during a roam (or a re-key).


OK : now I understand what you meant .
Myself, I was thinking about desktop hardphones so I  didn't why  this
authentication process duration would  matter.

Have you looked at Meru or Extricom stuff ?

Cellular phone authentication can take a REAL long time!  You see this
> when the phone is 'discoverying' your network.
>
>
>
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