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mikebrown Posted:
there, Please
check out -

In The Forum:
Hard Wiring - Installation
Hardwiring in a Rental House
On Oct 24, 2017 at 22:29:48

mikebrown Posted:
Hello, I think
you should consult
it with the Expert
they can surely
help you

In The Forum:
Hard Wiring - Installation
Hardwiring in a Rental House
On Jun 24, 2017 at 09:15:34

Haniltery Posted:
For wipe call
history also some
of the offline, in
gengral , it
usually apply to

In The Forum:
How to Delete call history from online account?
On May 09, 2017 at 06:14:26

diana87 Posted:
You have to use
VPN service to
and get free
access while

In The Forum:
Recent calling problem from Egypt
On May 02, 2017 at 17:28:06

dconnor Posted:
What is the main
number on the
account? And
which one is the
virtual number?

In The Forum:
Vonage UK
How do you call 999
On Apr 27, 2017 at 18:52:02

Trafford Posted:
Seems like a
question. We
rely exclusively
on a Vonage system
for our

In The Forum:
Vonage UK
How do you call 999
On Apr 27, 2017 at 10:42:50

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

In The Forum:
IP PBX for small business
On Mar 28, 2017 at 12:42:33

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 18:33:52

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 16, 2017 at 03:16:51

Av8rix Posted:
Sorry to start a
new thread on an
old topic but when
I google “Vonage
MAC address

In The Forum:
New adapter and router -- MAC change
On Jan 11, 2017 at 01:07:21

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Vonage I went into the router and disabled the firewall altogether to see what this would

I went into the router and disabled the firewall altogether to see what this would do, and it did in fact impact the ability to dial *123 effectively. "Why?" is my big question here.

When I disabled SPI and anti-DoS, *123 works like a champ. This is repeatable consistantly. Re-enable SPI and anti-DoS, *123 fails. Consistantly. The h.323 setting appeared to make no difference but I'm not so sure it would since in my router, it would appear that h.323 is part of the SPI which I obviously already disabled when I clicked off the SPI and anti-DoS option. So unchecking or checking the box for h.323 would seem to be ineffective in producing any change if SPI is turned off anyway.

So anyway we've got a direct correlation. I'm not real keen on totally disabling safety mechanisms in the firewall (for whatever little value they may have), so I wonder if some of the DoS thresholds can be adjusted to allow for the Vonage traffic but not the traffic that is likely to be unwanted.

Now the folks at SMC weren't terribly helpful as my device is outside of warranty, but I really do want to understand the why of this. What is it about the Vonage traffic that is being interpreted by the router as problematic? Can thresholds be tweaked to allow for it?

Here are some settings that can be tweaked when the SPI and anti-DoS setting is enabled:

(this section: each option either on or off)
Packet Fragmentation
TCP Connection
UDP Session
FTP Service
H.323 Service
TFTP Service

(this section has number values)
Fragmentation half-open wait: ___ secs
TCP SYN wait: ___ sec.
TCP FIN wait: ___ sec.
TCP connection idle timeout: ___ sec.
UDP session idle timeout: sec.
H.323 data channel idle timeout: ___ sec.
(current settings are: 10, 30, 5, 3600, 30, 180)

(this section has number values)
Total incomplete TCP/UDP sessions HIGH: ___ session
Total incomplete TCP/UDP sessions LOW: ___ session
Incomplete TCP/UDP sessions (per min) HIGH: ___ session
Incomplete TCP/UDP sessions (per min) LOW: ___ session
Maximum incomplete TCP/UDP sessions number from same host: ___
Incomplete TCP/UDP sessions detect sensitive time period: ___ msec.
Maximum half-open fragmentation packet number from same host: ___
Half-open fragmentation detect sensitive time period: ___ msec.
Flooding cracker block time: ___ sec.
(current values are: 300, 250, 250, 200, 10, 300, 30, 1000, 300)

Read The Full Thread:

Can''t reach voicemail from my vonage line using *123 or...

Hello. I can't access voicemail from my vonage line by dialing *123 or by calling
Your SMC router is blocking the traffic. Enter its setup page and in the firewall
While I am more than happy to make changes in my router to facilitate troubleshooting,
rm, You may already know this and/or be doing this, but here is what I found: When

rm posted "I went into the router and disabled the firewall altogether to see what this would" on 11/07/2006

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