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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 13:52:02

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 05:42:50

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

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

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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

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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

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On Oct 26, 2016 at 09:21:30

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Vonage Hi everyone, I'm posting this in hopes that it will help others configure

Hi everyone,

I'm posting this in hopes that it will help others configure their Cisco routers to provide the proper quality of service configuration for Vonage. Below you will find the necessary configuration and explanations of each particular section. Enjoy!

Internet-Cable modem-ethernet-Cisco Router-ethernet-vonage phone adapter-phones

This configuration should work in just about every version of IOS from 12.2 mainline and above. Note, the traffic shaping my not be available on every platform or feature set.

To configure the QoS for Vonage you don't have to do a whole lot. Here's the configuration you need:

class-map match-all voice-traffic
match ip rtp 10000 10000
policy-map voice-policy
class voice-traffic
priority 200
class class-default
policy-map shaper
class class-default
shape average 350000 3500 0
service-policy voice-policy
interface <name of your WAN interface>
service-policy output shaper

The above configuration was taken directly from my router. I'll explain each portion of the above config so you know what it's doing.

a. The class map defines what type of packets you want to specify for quality of service. In this case the class-map is specifying all RTP packets, start at port 10000, for a range of 10000 ports. So in essence, any RTP packets to ports 10000-20000 will be targeted for quality of service.

b. The policy-map voice-policy is how you define how much bandwidth each class gets. In this case the voice-traffic class (the one I defined in the class-map) is getting 200kbps of bandwidth. This is more than enough for a single Vonage phone call (at the 90k setting). Specifying more than necessary doesn't hurt anything as it will only reserve the bandwidth if needed. Class-default is all your other traffic. Here we aren't specifying any bandwidth to be reserved, as such it will be handled in a standard fair-queueing type fashion where each traffic flow will be given an equal portion of the remaining bandwidth.

c. The policy-map shaper is VERY important. This slows down your interface to the speed of your upload stream. In most cases, your cable modem will have an Ethernet or Fast Ethernet connection to your router. Quality of service on kicks in only when a link is congested. If you don't slow down the connection to the cable modem itself the congestion will happen on the cable modem instead of the router. You don't control the cable modem, so you need to handle the congestion on the router. The shape average command is how you define how much you want to limit the interface. In this case I've specified 350kbps, 350000. The next value should always be a 100th of the first, hence the 3500. The last value should ALWAYS be 0. So, for example, if your upload speed 230kbps the command would be "shape average 230000 2300 0". The service-policy voice-policy hooks the bandwidth settings you've configure for your voice traffic to the policy-map you are using to slow the interface down.

d. Lastly, you need to apply all this to an interface. As such, I've applied the service-policy, shaper, in the outbound direction on this interface.

What will all this stuff do? Well, assuming your upload speed is sufficient, you can do whatever you want on your connection, from an upstream perspective, while talking on the phone and the person you are talking to will never notice. Slowing the interface down will also decrease your overall upload speed. This is a small price to pay to ensure good, consistent voice quality to the people you call.

Read The Full Thread:

Cisco VOIP QoS for Vonage

How do you tell whether or not the QoS is actually working? Simply enter the command
Just to let you know this post was a huge help to me. Thank you very much for taking
Good stuff. That's a pretty standard config, but let me share a slightly different
To Celeron (or EzCo), Just curios, I am getting ready to take my ccna so all
Doesn't matter what is behind the Cisco, it's just going to (outbound) priority
So there's no way to do this without trying to match your upload speed? Is there
No, you really have to make sure you enable shaping because the key point of QoS
They are stacked and connected with two DTE/DCE cables right now. I put your example
Class-map: class-default (match-any) 905660 packets, 369453629 bytes

Celeron posted "Hi everyone, I'm posting this in hopes that it will help others configure" on 01/20/2006

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