VoIP (VoiceWing) & Firewalls Help

[warlord at MIT.EDU (Derek Atkins)]

Having spoken to some of the ATA-186 engineers at cisco, they don't
do firewalls very well.

-derek

"Timothy M. Lyons" <lyons at digitalvoodoo.org> writes:

> Has anyone out here successfully setup a VoIP TA (Specifically Verizon
> VoiceWing / Cisco ATA 186) behind
> a firewall?  I'm having a lot of issues with connectivity from my
> internal segment and Verizons solution to open up
> all UDP from the internet was not very helpful.
>
> I got it limping along by placing the device in a secondary DMZ and
> punching some holes in the FW, but I'm still
> not convinced it's correctly setup as it works fine when
> directly-connected to the net but had some minor glitches
> on the DMZ.  As VZ had no more advice to offer, I'm reaching out.
>
> --Tim
>
>
>
>
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>

-- 
       Derek Atkins, SB '93 MIT EE, SM '95 MIT Media Laboratory
       Member, MIT Student Information Processing Board  (SIPB)
       URL: http://web.mit.edu/warlord/    PP-ASEL-IA     N1NWH
       warlord at MIT.EDU                        PGP key available