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tplink Posted:
Im trying to add
my HT802 vonage
adapter to my home
network. I
currently have
...

In The Forum:
Hard Wiring - Installation
Topic:
Vonage behind switch
On Dec 05, 2016 at 06:35:11

DWSupport Posted:
After recent
Vonage update that
took place on the
4th and 5th of
Nov. E-mails with
...

In The Forum:
Vonage
Topic:
Voicemail Not Forwarding to Outlook Accounts
On Nov 10, 2016 at 12:23:26

peterlee Posted:
Had a call from a
Hospital in Ajax,
Ontario to my home
in
Scarborough, Onta
rio
...

In The Forum:
Vonage Canada
Topic:
Hospital Incoming call unable to connect
On Nov 08, 2016 at 11:59:50

TELLDOUG Posted:
I am looking for a
product that will
make my phone ring
louder so I can
hear using
...

In The Forum:
Vonage
Topic:
Looking for a ringer ameliorate
On Oct 26, 2016 at 09:21:30

HildBeft Posted:
You can recollect
password by
connecting the
router to your pc
and open the
browser
...

In The Forum:
Hard Wiring - Installation
Topic:
How to arrive at wifi password?
On Oct 20, 2016 at 05:05:49

HildBeft Posted:
Great tips..
Thanks for sharing
...

In The Forum:
Hard Wiring - Installation
Topic:
How to have Vonage and another land line?
On Oct 20, 2016 at 04:55:03

massrman Posted:
The devices are
available at
different price
margins , please
share your
estimated
...

In The Forum:
Vonage
Topic:
IP PBX for small business
On Sep 30, 2016 at 00:48:03

massrman Posted:
Hi these are most
commonly used SIP
PBX interops and
their
configuration
guides,
...

In The Forum:
Vonage
Topic:
IP PBX for small business
On Sep 30, 2016 at 00:37:45

Sammy00 Posted:
Has anyone setup a
W52p phone for
vonage? I have
a W52p with two
wireless handsets,
...

In The Forum:
Hard Wiring - Installation
Topic:
W52p Setup
On Aug 30, 2016 at 10:38:01

James44 Posted:
Hi, I am
looking for a good
Sip Trunking
provider in
Canada. they
should offer
...

In The Forum:
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Topic:
A good sip trunking provider
On Jul 17, 2016 at 23:42:46


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DanG
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Joined: Feb 12, 2004
Posts: 10

PostPosted: Mon Feb 16, 2004 10:53 pm    Post subject: Reply with quote Back to top

Diamer:

Here's how I understand it:

If you turn off NAT in the vt1000, it can't serve as a gateway for anything behind it. Once NAT is turned off in the vt1000, it can only be accessed by directly connecting a pc to its LAN port. To communicate with the vt1000 the pc would have to have a fixed ip address of 192.168.102.2. Since there is no NAT in the vt1000 however, the vt1000 could not translate the 192.168.102.2 address to something that could be passed to the internet. (192.168.x.x is a private subnet that can't be externally routed without Network Address Translation.)

If you turn off NAT on the MTA, (and the MTA is in front of the router) it is either going to get an external ip address through dhcp or you have to assign it the one static ip address you have received from your broadband provider. Assuming you give the MTA the static ip address, then the router is going to have to get its external ip address through dhcp. Now you have two independent devices with two independent external ip addresses. Neither device would be serving as a gateway for the other. In this setup, if your pc is behind the router, then the router is going to be providing NAT for the pc and the pc's ip address will be within the router's private subnet. The private address of the router would serve as the gateway address for the pc.

To help visualize all this you could think of it this way: With NAT turned off on the MTA and the MTA in front of the router, it is almost like there are two independent channels coming from the cable modem into your network. One line runs to the MTA, the other runs to the router.

If you turn NAT on in the MTA, then there is a single channel running from the cable modem to the MTA and from the MTA to the router. In this setup the MTA assigns the router an address in the MTA's private subnet.

You also have the option of placing the MTA behind the router. In this setup the router can be given the static external ip address you have received from your broadband provider, and then the pc and the MTA (both behind the router) will receive addresses within the router's private subnet.

The no NAT mode isn't documented, and we've been floundering around quite a bit as a result!
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gforeman
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New Forum Member


Joined: Nov 11, 2004
Posts: 1

PostPosted: Fri Nov 12, 2004 7:41 am    Post subject: Qos Reply with quote Back to top

Quote:
You can leave the ATA between your cable modem and your router. Just disable NAT/DHCP on the ATA (put in in pass-trough mode) and let your router manage the Internet traffic. I have not had a single problem with my ATA since I did this. My calls quality is also better with this setup since it provides QoS.


From Vonage support:

Quote:
In regards to your question about QoS and NAT, if you have disabled NAT, you are disabling the feature of the device to function as a router which will disable QoS.


Eh? -- so who has it correct?
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bobbabai
Full Forum Member
Full Forum Member


Joined: Dec 15, 2003
Posts: 66

PostPosted: Thu Nov 18, 2004 1:24 am    Post subject: Re: Qos Reply with quote Back to top

Quote:
From Vonage support:

In regards to your question about QoS and NAT, if you have disabled NAT, you are disabling the feature of the device to function as a router which will disable QoS.

Eh? -- so who has it correct?


I think the Vonage guy is wrong. I currenly use my Moto VT1005 with NAT turned off. The Moto gets one public address and my D-Link router plugged into the Moto gets another (my ISP will provide 2 IP addresses). I was getting bad outbound voice quality before when I had the Moto inside of my router. Since going to the current config as described above, outbound voice quality is much better during high-bandwidth uploads. I think the QOS (for outbound voice only) works regardless of the Moto config.

The downside of all this is that neither the Moto nor Vonage can do anything about inbound voice quality. If you are doing a high-bandwidth download, you may hear severe inbound voice distortion or loss.

Bob
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bobbabai
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Joined: Dec 15, 2003
Posts: 66

PostPosted: Thu Nov 18, 2004 1:25 am    Post subject: Reply with quote Back to top

Here's my physical config:

Internet -> Moto -> D-Link router -> PC1,PC2
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