Utility to check if FW is SIP-friendly?

Utility to check if FW is SIP-friendly?
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Subject Author Date
Utility to check if FW is SIP-friendly? Gilles Ganault 05-19-2007
Posted by Gilles Ganault on May 19, 2007, 4:30 am
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Hi

        If I got it right, some firewalls support SIP easily through
STUN or UPnP, while others don't, requiring the use of fixed RTP ports
and opening the ad hoc ports on the router.

I noticed that some SIP devices, including the GrandStream GXP-2000
and the SJPhone softphone report back the type of NAT router that sits
in front of the LAN where the device is sitting (in my case, "Port
restricted cone").

Is there a stand-alone utility or web application that reports this
information, so as to make it easier to deploy SIP devices?

Thank you.

Pure Networks
Posted by Gilles Ganault on May 20, 2007, 10:27 am
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wrote:
>Is there a stand-alone utility or web application that reports this
>information, so as to make it easier to deploy SIP devices?

For those interested:

http://sourceforge.net/projects/stun/

Last updated 2003-12-31, but it seems to work.

Posted by Hongtian on May 22, 2007, 2:10 am
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Please try miniSipServer which is a SIP server for windows. But it can
be STUN server at the same time.

> wrote:
>
> >Is there a stand-alone utility or web application that reports this
> >information, so as to make it easier to deploy SIP devices?
>
> For those interested:
>
> http://sourceforge.net/projects/stun/
>
> Last updated 2003-12-31, but it seems to work.



Posted by Gilles Ganault on May 22, 2007, 6:08 am
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wrote:
>Please try miniSipServer which is a SIP server for windows. But it can
>be STUN server at the same time.

Thanks, but I was just looking for a stand-alone client that I can
send to people who are having problems with their IP phone, and check
what kind of firewall they have.

Posted by =?windows-1252?Q?LRC=99?= on May 26, 2007, 4:19 pm
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Gilles Ganault wrote:
>
>
> Thanks, but I was just looking for a stand-alone client that I can
> send to people who are having problems with their IP phone, and check
> what kind of firewall they have.

Try using netcheck.exe from FWD.

http://downloads.fwdnet.net/netcheck.exe

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other useful resources:
The Federal Communications Commission (FCC)
Telecommunications Industry Association
Electronic and Software Security Products and Services
International Telecommunication Union

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