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mikebrown Posted:
there, Please
check out -

In The Forum:
Hard Wiring - Installation
Hardwiring in a Rental House
On Oct 24, 2017 at 22:29:48

mikebrown Posted:
Hello, I think
you should consult
it with the Expert
they can surely
help you

In The Forum:
Hard Wiring - Installation
Hardwiring in a Rental House
On Jun 24, 2017 at 09:15:34

Haniltery Posted:
For wipe call
history also some
of the offline, in
gengral , it
usually apply to

In The Forum:
How to Delete call history from online account?
On May 09, 2017 at 06:14:26

diana87 Posted:
You have to use
VPN service to
and get free
access while

In The Forum:
Recent calling problem from Egypt
On May 02, 2017 at 17:28:06

dconnor Posted:
What is the main
number on the
account? And
which one is the
virtual number?

In The Forum:
Vonage UK
How do you call 999
On Apr 27, 2017 at 18:52:02

Trafford Posted:
Seems like a
question. We
rely exclusively
on a Vonage system
for our

In The Forum:
Vonage UK
How do you call 999
On Apr 27, 2017 at 10:42:50

diazou Posted:
Hello, It's
compatible with
Android your phone
? Thanks!

In The Forum:
IP PBX for small business
On Mar 28, 2017 at 12:42:33

jeddaisg Posted:
Hi all We have
a Vonage VOIP
system for our
office. Lately,
our call quality

In The Forum:
Ethernet Cable; Wiring schematic? 568-B?
On Feb 23, 2017 at 18:33:52

beast321 Posted:
I don't know if
you heard, that
many more
Dreamcast games
are opened up

In The Forum:
Fax - Tivo - Alarms
Using phone as a dial up modem for Dreamcast Gaming
On Feb 16, 2017 at 03:16:51

Av8rix Posted:
Sorry to start a
new thread on an
old topic but when
I google “Vonage
MAC address

In The Forum:
New adapter and router -- MAC change
On Jan 11, 2017 at 01:07:21

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Joined: Jul 30, 2003
Posts: 40
Location: Northern Virginia (DC Metro Area)

PostPosted: Mon Aug 25, 2003 7:54 am    Post subject: Placing ATA OUTSIDE of Firewall/Router ? Reply with quote Back to top

Forum sser MMsr (in another post) puts forth the idea of placing a switch between his cable/DSL modem and his router; running the ATA off the switch.

This places the ATA essentially in parallel to the to the router, and places the ATA directly on the WAN with it's own ISP-provided IP address.

The idea is that this will eliminate the myriad of router-related problems.

Issues involving potential additional costs a 2nd IP address aside, does anyone see a significant security riss -- or significant advantage -- in this setup?
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PostPosted: Mon Aug 25, 2003 7:53 pm    Post subject: Ip address Reply with quote Back to top

When I said to use the modems DHCP I meant use the LAN side not the WAN side. If your modem allows it you can enable DHCP on the LAN side the local area network which depending on the ip range set on the modem will assign an ip such as this is not a WAN wide area network ip so you are still only using the one (external) ip assigned to your modem by the isp. I did call my isp and told them that I have computer hooked up and I wanted know if I could use the DHCP of the modem to address an ATA and also told them it was for Voip and they did not see any problem with it. Of course this all depends if the type of modem you have allows it. Also it needs to be a local ip not a wide area network ip which they would charge you for, for sure. This setup is working well for me and I don't see changing it unless my isp calls and says I can't, but for now they are fine with it.
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PostPosted: Thu Aug 28, 2003 12:08 pm    Post subject: so how would/does that really work? Reply with quote Back to top

I'm considering Vonage but I found your discussion interesting and it raised a few questions

If traffic is being sent from your ISP to your modem/router, which is intern forwarding the packets to various IP addresses on you LAN, how does it know to send the voice related packets to the ATA rather than to your PC, or some other device, all of which obtained thier addresses from DHCP on the modem/router????

Or, is it just broadcasting all of the traffic to the entire DHCP assigned subnet, and anyhting that happens to be listening on the correct port would pick up the packets???

Are there specific ports used for voice traffic to the ATA?

How does it REALLY work?
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Joined: Aug 10, 2003
Posts: 45
Location: Milwaukee, WI

PostPosted: Thu Aug 28, 2003 5:01 pm    Post subject: Reply with quote Back to top

If you don't forward any ports on your router to your ATA behind the router, the ATA will open a continuous connection to the Vonage servers. When a call comes through either a tunneled connection goes through the already open connection (like what SSH can do) or the ATA gets notice and makes another outgoing connection to the Vonage servers for the voice data. I have no idea how it works exactly but in theory this is how it does work behind a firewall. Others have had to forward specific ports to the ATA to get their unit to work but I have nothing forwarded - just plugged in and made calls.
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