Polycom responds to SIP server dhcp option (I think it's 120). I haven't
still seen any other phone doing that.

Ognjen

On Wed, Sep 23, 2009 at 6:16 PM, digilord <[email protected]> wrote:

> Brian,
>        Is there code someplace that I can get that will help with the
> Polycom
> DHCPINFORM way?
>
> Thanks
>
> On Wed, 2009-09-23 at 10:46 -0500, Brian West wrote:
> > What you want is NOT possible the way you describe it.  Snom does a
> > multicast PNP which lets you reply with a notify.  Polycom does a
> > DHCPINFORM which lets you respond with a DHCPACK with additional
> > options.  Aastra does MDNS which dictates where to go get the configs.
> >
> > /b
> >
> > On Sep 23, 2009, at 10:19 AM, digilord wrote:
> >
> > > Hello all,
> > >     I know this is done and I think I figured out how to do it but I
> > > don't
> > > want to reinvent the wheel so here goes.  I am looking for a program
> > > that will sit on the PBX.  This program will intercept DHCP reply
> > > packets destined for phones, inject "option 66" into the packet and
> > > release it back onto the network.
> > >
> > > Some of you might be wondering why I want a program like this.
> > > Simple.
> > > Lazy clients.  They don't want to mess with their network
> > > infrastructure
> > > to assist us with automated deployment of SIP devices.  They also
> > > don't
> > > want 50-100 devices connecting to an off site server downloading
> > > 20-40MB
> > > of firmware on a reboot.
> > >
> > > The PBX is not hard coded with an IP address.  It's DHCP.  They were
> > > willing to allow the PBX on the network and assign it a static DHCP
> > > address.
> > >
> > > Is what I am looking for not possible?  Does someone have a sensible
> > > solution that doesn't involve dropping the client (yes someone
> > > suggested
> > > that)?
> > >
> > > Thanks in advance for any help you can give.
> > >
> > > DigiLord
> >
> >
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