On 1/7/2006 11:35 AM, Stephen Ronan wrote:
> In addition to opening ports 10000-20000, as per this page,
> http://www.vonage.com/help.php?article=89
> you also need to open these ports for outgoing connections:
> 
> DNS: Port 53 UDP (Domain Name Server - for resolving server IP addresses)
> TFTP: Port 69 UDP (for profile upgrades/downgrades)
> HTTP: Port 80 UDP (for firmware upgrades/downgrades)
> NTP: Port 123 UDP (Network Time Protocol - so the device can sync to the 
> proper time for Caller ID)
> SIP: Port 5061 UDP is used for older Vonage devices (devices provisioned 
> before 2005) Also, BSP Proxy Groups 1-8, and a.voncp.com communicate on 
> port 5061.
> 
> Adding firewall rules to do all of that worked successfully for a vonage 
> connection I had inside a m0n0wall-protected network.
> 
> Steve

I have no ports forwarded and my Vonage works perfectly behind M0n0wall. 
In reading the Vonage forum this is typical. Apparently port forwarding 
is not required.

As to your question about which Vonage device is best. When I researched 
this I learned that the Linksys RTP300 has better voice quality than 
some of the older devices, and is pretty reliable. It seemed to be the 
device of choice among the forum participants.