Re: SIP VoIP Phone (Snom 200)
From: Jim Behning (jimbehningmvp_at_atl.mindspring.com)
Date: 08/13/04
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Date: Fri, 13 Aug 2004 11:55:28 GMT
I would install the phone outside of the firewall. The only time I
worked with a voip was Vonnage. The company had extra real world ips
so I installed the phone on a hub common to the internet router and
the SBS. I used one of the extra ips. It is possible but unlikely that
if you could figure all the ports the phone might need and do port
forwarding you might get it to work but I would not hold any breath.
Somebody else asked in this newsgroup of the 2003 newsgroup in the
past month. I think they gave up and did what I did.
"Mark Woods" <mark.woods@activnet.biz> wrote:
>Hi,
>
>I've installed a small network with a SBS 2003 Pro server
>as its domain controller etc. I'm trying to use SIP as my
>VoIP telephone system.
>
>I've succesfully set up a SIP telephone connection using a
>Software Telephone on one of the Window XP Pro desktops.
>
>However I can't get a dedicated SIP telephone (A SMON 200)
>to work. It gets its local IP address and gateway info etc
>corectly from the SBS2003 DHCP service but then can't get
>any Internet access. It can't even connect to a time
>server.
>
>How do I allow a network device like a VoIP dedicated
>telephone access to the Internet through the ISA firewall
>(which I assume is blocking the phones trafic)?
>
>Thanks
Jim B. SBS MVP
remove the mvp to send email
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