[Freeswitch-users] BT claims licensing on SIP

Dave R. Kompel drk at drkngs.net
Tue Apr 30 22:28:32 MSD 2013

And if there is no mention of it, as prior art in the patent, it's null and void.

  From: Andrew Cassidy [mailto:andrew at cassidywebservices.co.uk]
To: FreeSWITCH Users Help [mailto:freeswitch-users at lists.freeswitch.org]
Sent: Tue, 30 Apr 2013 09:04:45 -0700
Subject: Re: [Freeswitch-users] BT claims licensing on SIP

The IEEE publication of the SIP Protocol pre-dates ALL of the patents presented on BT's page.  

On 30 April 2013 16:33, Michael Collins <msc at freeswitch.org> wrote:

On Tue, Apr 30, 2013 at 8:11 AM, Michael Jerris <mike at jerris.com> wrote:
I picked some random ones and read through them and a bunch of them don't seem to have a lot to do with sip at all.  Seems like quite a scattershot to me.  

My thoughts exactly. Sounds like typical "look at all our patents" bravado. I hope the GOOG takes 'em down a notch.

Michael S Collins
Twitter: @mercutioviz

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