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tplink Posted:
Im trying to add
my HT802 vonage
adapter to my home
network. I
currently have
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Hard Wiring - Installation
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Vonage behind switch
On Dec 05, 2016 at 06:35:11

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

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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
...

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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
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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:
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On Oct 20, 2016 at 05:05:49

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

In The Forum:
Hard Wiring - Installation
Topic:
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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:
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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,
...

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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:
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Topic:
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On Aug 30, 2016 at 10:38:01

James44 Posted:
Hi, I am
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Canada. they
should offer
...

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On Jul 17, 2016 at 23:42:46


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Post new topic   Reply to topic  Vonage® VoIP Forum - Vonage News, Reviews And Discussion » Vonage V-Phone & SoftPhone
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stumpypete
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Joined: Nov 02, 2005
Posts: 2

PostPosted: Wed Nov 02, 2005 3:27 pm    Post subject: softphone not working over Cisco VPN Reply with quote Back to top

Hi,

My company uses the Cisco VPN client for secure network access. I just installed the softphone, and it does not work when my pc is connected through the VPN. It works great when the vpn isn't connected.

What, if any, are my options?

Thanks.
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stumpypete
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PostPosted: Fri Nov 04, 2005 2:20 pm    Post subject: ports Reply with quote Back to top

hi, some digging in the Vonage support forum uncovered the (unconfirmed by Vonage) fact that the softphone requires UDP 5060, 8000, 8001 to be open, and that these are usually blocked by corporate firewalls. put in a request to have these opened, not too optimistic though.
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dji411
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PostPosted: Fri Nov 04, 2005 5:07 pm    Post subject: something to try Reply with quote Back to top

Try starting the softphone before you start the VPN software. Checkpoint VPN is typical two services that are set to automatic at startup. I know this works for some things that my company blocks
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kws
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PostPosted: Sat Nov 05, 2005 2:18 pm    Post subject: Reply with quote Back to top

I don't have the Vonage softphone, but I've been playing around with other softphone providers and here's what I *think* the problem is.

When the softphone starts up it needs to report the IP address of where it is to the Voip gateway. Without the VPN running the softphone talks to your router/firewall or to external servers to figure out what the external IP address of your router/firewall is and reports that to the Voip gateway.

When the VPN starts up, you effectively have two IP addresses and two routers/firewalls. The softphone seems to prefer to talk to the VPN firewall rather than your local lan one. So it sees the external address of your company and reports that to the Voip gateway. Incoming calls get routed to your company IP address, through the VPN and to the softphone. If any of the firewalls at your company or associated with the VPN on your end block the Voip ports it doesn't work. Even if it works it adds a bunch of extra hops to the voice traffic that don't need to be there.

In my case, even starting the softphone before the VPN doesn't help because softphone software I've tried changes it's reported address as soon as the VPN comes up.

I don't know if there is a way to tell the softphone to ignore the VPN and just use my local firewall instead.
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Slobes
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PostPosted: Tue Dec 05, 2006 8:16 am    Post subject: Same issue Reply with quote Back to top

I am experiencing the same issue with my Cisco VPN Client. The V-Phone works fine until I completely log into the VPN and the connection is established. The V-Phone then reports "Unregistering Service". I looked at the log files for both the Cisco VPN client and the V-Phone. It appears that the Cisco VPN client defaults to tunnel through UDP, but you can change it to TCP where it uses port 10000 as the default. I am not sure if this is the same for UDP because you do not have the option to change it when UDP is selected. The V-Phone shows multiple instances in the log file showing that its communicating with a Vonage IP address through port 10000. I thought this was the issue so I changed the VPN client to tunnel through port 9000. Even when connecting through this, the problem prevailed.

Has anyone found a solution to this? It really does sound like the answer might be the last post, but what I don't understand is, if the V-Phone prefers the IP it is getting through the VPN, why doesn't it work if you initiate the V-Phone AFTER the VPN is already connected.
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alcsmith
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PostPosted: Sun Dec 10, 2006 7:36 am    Post subject: Reply with quote Back to top

When are you using the Voip over VPN you are tunneling over the VPN and then on your company's private network. A few things could be preventing this:

1- The company's firewalls could be blocking those ports (I know we do)
2 - Before you log into your VPN change your softphone settings to use the Cisco VPN Adapter. Once your on that lan device you have a better chance of getting registered because when you are using VPN you are adding another "sudo" layer of NAT: The setup goes out to be this:

ISP Address
Router
Private Home Network
then VPN address

The VPN Address gets tunnled and can sometimes confuse things as it tells all your networking on your machine to go through that interface. Sounds like what is happening is that your company's firewall is blocking the ports and maybe even the address that the softphone would use to register.
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