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 <grae@digilord.net> 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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