[ale] Vonage redux
Jason Fritcher
jkf at wolfnet.org
Thu Aug 18 10:18:07 EDT 2005
Mills, John M. wrote:
> Q1: Does Vonage service require any inbound ports be forwarded to its modem,
> or does the modem initiate the connection and get only repies, even for
> inbound phone calls? Vonage' installation notes list a potload of ports
> which shouldn't be blocked, but don't say if any must be specifically
> forwarded to their modem.
I did have to forward UDP ports 5060 and 5061 to the Vonage box.
> Q2: Does Vonage typically provide the modem, or do most customers go buy one
> (LinkSys or whatever) from a third party? Any strong preferences? (I know I
> could replace the simple Airlink router with a "known brand" - is this
> useful?)
I believe you can either buy one directly from Vonage, or you can go to
most electronics stores and buy one there. But you will need to buy the ATA.
> Q3: If Vonage service requires inbound port forwarding, do they provide a
> modem that can use a fixed IP in my LAN?
I'm using the Linksys PAP2 ATA, and it can do DHCP or static IP. I left
mine as DHCP and assign a static IP through the DHCP server.
> Q4: Vonage' notes suggest that putting their interface behind the modem does
> sacrifice some functionality (e.g., QoS control), but that it should work.
> What should I anticipate happening to the phone link when another system is
> keeping the LAN busy?
I haven't experienced this myself, but you'll experience breakups in
conversations from latency and jitter. One project I've been meaning to
start is setting up QoS on my linux router.
--
Jason Fritcher
jkf at wolfnet.org
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