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 Advanced Installation with Port ForwardingIf your Vonage adapter is located behind a routing device that has firewall capabilities, and you do not wish to reconfigure your network, then that routing device must be configured for port forwarding for Vonage service to operate.
A "port" is a logical connection on a computer. It is not a physical port that you plug a cable into; rather, it is like a virtual door into a device. Ports are used to separate data that is being sent over the internet. For example, when you connect to a website, port 80 is used for the traffic to pass to and from your computer. There are more than 65,000 ports that computers use to send and receive data. Vonage uses only a few of these ports, listed below.
The first step is to assign your Vonage adapter a static IP address. Instructions to perform this are included in your phone adapter's user guide. If you do not have a user guide for your phone adapter, you can view it here.
All devices on a network, including computers, have an IP address. By default, a device is set to automatically obtain whatever IP address is given by a router or ISP provider, a process called dynamic IP addressing. Assigning a static IP address, on the other hand, means you are setting the device to use a specific IP address.
Once your Vonage adapter has been assigned a static IP address, the next step is to configure port forwarding on your routing device. Please consult your manufacturer's device manual or website to learn how to configure port forwarding on your routing device, as this process is different for different devices. The ports to configure for port forwarding are listed below.
When you set up port forwarding, you are telling your router to automatically send data to a specific device on your network whenever the data enters your network on a certain port. This speeds up the transfer of data, because the router does not have to go through your network looking for the correct device.
Ports used by Vonage Adapters The following ports are needed for OUTGOING Internet communications from the Vonage device to the Vonage servers.
The following ports are needed for INCOMING and OUTGOING Internet communications from and to Vonage devices and servers.
If you would like to read more about port forwarding, please visit www.portforward.com. Configuring Port Forwarding for ApplicationsMSN Messenger and Microsoft NetMeetingTo enable Microsoft Programs such as MSN Messenger and NetMeeting you will need to enable Port Forwarding. The table below shows the ports used by the programs.
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