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

James44 Posted:
Which network
connection do you
use?
...

In The Forum:
Vonage
Topic:
Wireless Access Point plugged into switch
On Jul 13, 2016 at 22:55:00

jjatsk Posted:
We are renting a
few offices right
next door to our
main building. I
have a wireless
...

In The Forum:
Vonage
Topic:
Wireless Access Point plugged into switch
On Jul 09, 2016 at 12:00:54

Pman Posted:
Hello, While
Vonage has been a
great service over
the years, it is
time to part
...

In The Forum:
LNP – Local Number Portability
Topic:
Cannot port phone number to new carrier - repeated failures
On Jul 05, 2016 at 09:12:07

jbugz67 Posted:
We recently
purchased 5
Polycom VVX 300
phones from
Vonage, and have
regretted
...

In The Forum:
Vonage
Topic:
Nothing but problems with VVX300
On Apr 15, 2016 at 14:58:07

RichardPi Posted:
Hello, does
anybody recollect
how to get into
wifi password from
diggings router?
...

In The Forum:
Hard Wiring - Installation
Topic:
How to arrive at wifi password?
On Mar 31, 2016 at 02:39:07

RichardPi Posted:
Hello, does
anybody know how
to get into wifi
watchword from
home router?
...

In The Forum:
Hard Wiring - Installation
Topic:
How to be noised abroad wifi password?
On Mar 30, 2016 at 18:48:05

achow26 Posted:
BrettaMan, I am
having the same
problem. I do not
have the loopback
plug. I tried
...

In The Forum:
Hard Wiring - Installation
Topic:
Vonage issue with USTec UX-226
On Feb 16, 2016 at 14:13:37

alicesmith Posted:
I have used the
PBX phone system
in my new office.
I was very
confused about
phone
...

In The Forum:
Vonage
Topic:
IP PBX for small business
On Jan 29, 2016 at 01:49:14


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Vonage It has nothing to do with the port. The source port of your device for the SIP protocol



It has nothing to do with the port. The source port of your device for the SIP protocol is 10000. The destination port for the SIP proxy is 10000. The firewall is not blocking based upon IP or port. It is inspecting the packet and does not like the algorithm so it blocks it. This is because it has an Application Layer Gateway which finds the SIP protocol and tries to perform what is believes is a help mechanism but actually breaks it.

Your device will send out a Register every 20 seconds and under normal conditions will get a response back. This what keeps the NAT pinhole open. However, your SBG-900 is not letting the response pass back to the Vonage adapter. This is why port forwarding does nothing to help.

Port forwarding is used when a service is idle and just waiting for a connection. When a packet arrives from outside your NAT firewall on the Public IP, the NAT table will know how to translate that packet back to the Private IP of the host machine for the service because you told it where to go when a certain port was hit on from the outside.

So since the Vonage adapter sends out a Register packet, it is the same as you opening your web browser and going to google.com. Packets are sent out and come back in through the same pinhole. This is why you don't have to forward port 80 to establish an HTTP connection and why it is not needed for Vonage.

However, because your firewall is doing something based upon the SIP protocol, there is nothing Vonage can do to assist you. Should you choose not to completely disable the firewall, the service will not work.

I have been with Vonage for 6 years and am one of the approvers of placing the SBG-900 and SBG-1000 on the problem hardware list and making the only workaround disabling the firewall. This has come from seeing numerous customers over the years run into the same issue when using these modems. Even if by some mystery you were able to get it to register and get dial tone, in a few days, weeks, or months from now, something would trigger the firewall to start blocking SIP again leaving you without dial tone. In addition, the SBG series firewall will also cause no audio or 1 way audio conditions. I assume the difference in the customer experience is the firmware on the SBG modem.



Read The Full Thread:

RT31P2 behind an SBG900 Firewall, need to figure out ports.


I've just switched over to cable internet after having DSL for two years. My previous
The only way Vonage will work properly when used with any SBG series is to disable
Then help me to understand. I can have my xbox connect to the internet, send
Contrary to popular belief, enabling port forwarding or DMZ does not bypass the

VonTechMgr posted "It has nothing to do with the port. The source port of your device for the SIP protocol" on 03/04/2009

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†AK and HI residents pay $29.95 shipping. ††Limited time offer. Valid for residents of the United States (&DC), 18 years or older, who open new accounts. Offer good while supplies last and only on new account activations. One kit per account/household. Offer cannot be combined with any other discounts, promotions or plans and is not applicable to past purchases. Good while supplies last. Allow up to 2 weeks for shipping. Other restrictions may apply.

1Unlimited calling and other services for all residential plans are based on normal residential, personal, non-commercial use. A combination of factors is used to determine abnormal use, including but not limited to: the number of unique numbers called, calls forwarded, minutes used and other factors. Subject to our Reasonable Use Policy and Terms of Service.

2Shipping and activation fees waived with 1-year agreement. An Early Termination Fee (with periodic pro-rated reductions) applies if service is terminated before the end of the first 12 months. Additional restrictions may apply. See Terms of Service for details.

HIGH SPEED INTERNET REQUIRED. †VALID FOR NEW LINES ONLY. RATES EXCLUDE INTERNET SERVICE, SURCHARGES, FEES AND TAXES. DEVICE MAY BE REFURBISHED. If you subscribe to plans with monthly minutes allotments, all call minutes placed from both from your home and registered ExtensionsTM phones will count toward your monthly minutes allotment. ExtensionsTM calls made from mobiles use airtime and may incur surcharges, depending on your mobile plan. Alarms, TTY and other systems may not be compatible. Vonage 911 service operates differently than traditional 911. See www.vonage.com/911 for details.

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