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xing33 Posted:
In The Forum:
Vonage UK
On Apr 22, 2017 at 12:49:38

xing33 Posted:
In The Forum:
Vonage Canada
On Apr 22, 2017 at 12:45:21

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

In The Forum:
IP PBX for small business
On Mar 28, 2017 at 07:42:33

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 12:33:52

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 15, 2017 at 21:16:51

Av8rix Posted:
In The Forum:
New adapter and router -- MAC change
On Jan 10, 2017 at 19:07:21

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

In The Forum:
Hard Wiring - Installation
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:
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
Scarborough, Onta

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

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

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

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Vonage, a VT2142 and a RTP300, My Experiences - A Detailed Review
Vonage, a VT2142 and a RTP300, My Experiences - A Detailed Review

Salt Lake City: impressions after several months
Salt Lake City: impressions after several months

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Vonage Your adapter maintains a constant "heartbeat" connection to the call managers

Your adapter maintains a constant "heartbeat" connection to the call managers at Vonage. The call managers use SIP to broker the connection between your home adapter and a PSTN voice gateway.

SIP messages are transmitted via UDP - what's unique about that is that UDP maintains no state information. There are no establishment / acknowledgement / finish states like there are on TCP sessions, so when you make your outbound connection most firewalls/routers just watch for activity on those UDP ports. They have no awareness if it is a single conversation taking place on that port pair, or if multiple short conversations are taking place. If nothing happens for 180 seconds or so it will stop forwarding those ports. With your voice adapter, it is talking to the Vonage call manager every few seconds thus keeping that connection open.

When you get an incoming call, the PSTN switch hands the call over via a SS7 connection to a Voip gateway (most likely a Cisco MGX8xxx box). The Voip gateway then signals the call manager that there is an inbound call for your phone number. That is where the real magic happens, and it decides how to handle the call:

If you have call forwarding turned on, it tells the MGX telco gateway to forward the call back out the PSTN to that number.

If your phone adapter isn't on the network (no internet connection / no power), it checks to see if there is a Network Availability number listed. If there is it tells the MGX gateway to forward the call out the PSTN to that number. If not it sends a SIP invite message to the voicemail server out east, which then establishes a connection to the gateway and takes your message.

If your phone adapter is on the network, it receives a SIP invite message from the call manager that triggers it to ring your phone. If you pick up, it makes an outbound connection to the voice gateway that is holding your inbound call and playing ring tones to the caller. If you don't pick up in your configured voicemail wait time, the call manager sends a message to your voice adapter to stop ringing your phone and sends a SIP invite message to the voicemail server at Vonage. The voicemail server will then establish that connection to your waiting call and play your greeting / take a message.

The only case where port forwarding starts to get sticky is Vonage-to-Vonage calls, because it is likely that both parties are behind firewalls / routers that restrict inbound counnections. In this case, one side would need to forward UDP ports 10,000-20,000 to the voice adapter to ensure that this connection could be made.

Read The Full Thread:

How does PAP2 work without port forwarding?

I am is the PAP2 able to work behind a router without manually configuring
The PAP2 is a UPnP device so as long as the router has UPnP enabled, the ports are
So would having two PAP2's behind a router screw something up? Will it configure
I am a brand-new Vonage customer, and have a PAP2 behind a Netgear WGR614 router.
port forwarding is for people connecting to you. like a web or game server. it's
John, you are usual! :-)
<newbie alert> So what about incoming calls? Are you saying that the PAP2
The instructions that came with my PAP2 did have me setup multiple port-forwarding
You do not have to foward any ports unless your service is not working. I have the
Nope, you're not confused, you got it. UPnP allows devices to communicate so that,

espaeth posted "Your adapter maintains a constant "heartbeat" connection to the call managers" on 03/10/2005

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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.

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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 for details.

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