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massrman Posted:
The devices are
available at
different price
margins , please
share your
estimated
...

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Vonage
Topic:
IP PBX for small business
On Sep 30, 2016 at 00:48:03

massrman Posted:
Hi these are most
commonly used SIP
PBX interops and
their
configuration
guides,
...

In The Forum:
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Topic:
IP PBX for small business
On Sep 30, 2016 at 00:37:45

Sammy00 Posted:
Has anyone setup a
W52p phone for
vonage? I have
a W52p with two
wireless handsets,
...

In The Forum:
Hard Wiring - Installation
Topic:
W52p Setup
On Aug 30, 2016 at 10:38:01

James44 Posted:
Hi, I am
looking for a good
Sip Trunking
provider in
Canada. they
should offer
...

In The Forum:
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Topic:
A good sip trunking provider
On Jul 17, 2016 at 23:42:46

James44 Posted:
Which network
connection do you
use?
...

In The Forum:
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Topic:
Wireless Access Point plugged into switch
On Jul 13, 2016 at 22:55:00

jjatsk Posted:
We are renting a
few offices right
next door to our
main building. I
have a wireless
...

In The Forum:
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On Jul 09, 2016 at 12:00:54

Pman Posted:
Hello, While
Vonage has been a
great service over
the years, it is
time to part
...

In The Forum:
LNP – Local Number Portability
Topic:
Cannot port phone number to new carrier - repeated failures
On Jul 05, 2016 at 09:12:07

jbugz67 Posted:
We recently
purchased 5
Polycom VVX 300
phones from
Vonage, and have
regretted
...

In The Forum:
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Topic:
Nothing but problems with VVX300
On Apr 15, 2016 at 14:58:07

RichardPi Posted:
Hello, does
anybody recollect
how to get into
wifi password from
diggings router?
...

In The Forum:
Hard Wiring - Installation
Topic:
How to arrive at wifi password?
On Mar 31, 2016 at 02:39:07

RichardPi Posted:
Hello, does
anybody know how
to get into wifi
watchword from
home router?
...

In The Forum:
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Topic:
How to be noised abroad wifi password?
On Mar 30, 2016 at 18:48:05


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doncaruana
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Joined: May 20, 2005
Posts: 21

PostPosted: Sat Dec 20, 2008 8:53 am    Post subject: Diagnosing and fixing QoS issues Reply with quote Back to top

Since I moved and switched HSI providers (Wow is new one, roadrunner formerly), I have major QoS issues with Vonage. The easiest way to test would be to pick up my Vonage router and go some place that I know doesn't have issues and try it.

What I don't know is whether my Vonage router (linksys rtp300) got damaged somehow (during the move, couple of electrical events) or whether WoW's infrastructure just can't handle the QoS. I made wow upgrade the modem they gave me to an SA 2100 (pn4004519) which is Docsis 2.0.

My connection is 6MB, but even if I throttle it down to half that (and use it), I have issues.

So - I have two questions now...

1) How can I test why I have these issues - whether it's Wow, the modem from wow, or the rtp300?
2) If it turns out that wow just cant handle it here, can I put another router between the cable modem and the rtp300 with some QoS controls and make that work for me?

Any help would be greatly appreciated!
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kamnet
Vonage Forum Master
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Joined: Sep 12, 2005
Posts: 229
Location: Mt. Sterling, KY

PostPosted: Sat Dec 20, 2008 12:00 pm    Post subject: Reply with quote Back to top

Open and run this speed test and post the results here. You can also check out Vonage's Speed Test. You might want to check this both with the PC going through the RTP 300 and with the PC connected directly to your HSI device.

I don't believe you can fine tune the QoS on the RTP300, VonTechMrg or somebody else more familiar with it could speak on that, but you can also do some fine tuning from within your Vonage account, this link provides instructions on how to do it.
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doncaruana
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Joined: May 20, 2005
Posts: 21

PostPosted: Sat Dec 20, 2008 3:29 pm    Post subject: Reply with quote Back to top

Thanks Kamnet, but I've got plenty of speed. Like I said - I have a 6MB connection. When I run either of those tests they look great. And I've done them before too.

This is with no downloading at all.
Download speed 6524 Kbps (socket test)
Upload speed 652 Kbps (socket test)
Quality of service 98 %
Maximum delay 52 ms
Round trip time 1 ms
Upstream jitter 1.5 ms
Upstream packet loss 0 %
Upstream packet order 100 %
Upstream discards 0 %
Downstream jitter 2.3 ms
Downstream packet loss 0 %
Downstream packet order 100 %
Downstream discards 0 %


Now this is a throttled download, so I'm only using half the bandwidth. Everything but QoS is still good.
Download speed 2490 Kbps (socket test)
Upload speed 172 Kbps (socket test)
Quality of service 38 %
Maximum delay 694 ms
Round trip time 1 ms
Upstream jitter 1.4 ms
Upstream packet loss 0 %
Upstream packet order 100 %
Upstream discards 0 %
Downstream jitter 102.2 ms
Downstream packet loss 0 %
Downstream packet order 100 %
Downstream discards 0 %

The bandwidth saver would help if I didn't have all the bandwidth, but I do - even on the throttled download. I shouldn't need to use bandwidth saver.

As a matter of fact, sometimes if I'm using the full bandwidth (ie heavy download), and someone calls, it will ring once and then roll over to my cell phone, as if the line is out completely.

So, my issue now is how do I figure out what makes my QoS go to hell? And, again, if I put a completely new router in between the cable modem and the Vonage router (not trying to muck with RTP300 settings), could I use the QoS on that to make this work?
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trekologer
Vonage Forum Evangelist
Vonage Forum Evangelist


Joined: Dec 04, 2005
Posts: 350

PostPosted: Sat Dec 20, 2008 5:38 pm    Post subject: Reply with quote Back to top

What do you mean by "throttled download"? During that period your QoS score from the test dropped and the jitter (which typically causes call quality problems) increased by a magnitude of 50. That might be the problem.
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doncaruana
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Joined: May 20, 2005
Posts: 21

PostPosted: Sat Dec 20, 2008 6:13 pm    Post subject: Reply with quote Back to top

I mean that I have software that I can throttle how much bandwidth it uses to download. I throttled it so that I left half the bandwidth available for voice, instead of just doing a full blown download and demanding the entire bandwidth. Even though I still had plenty of bandwidth, the qos - and downstream jitter - goes to hell.

But that software is well past the rtp300. Which is why I'm back to one of these things - the wow modem, the wow signal, or the rtp300 - gets screwed up when there's any traffic coming in. I don't know what causes downstream jitter but it's fine when there's no other traffic (see the first dump). As long as I'm not using the line for anything else, the voice calls sound great.
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kamnet
Vonage Forum Master
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Joined: Sep 12, 2005
Posts: 229
Location: Mt. Sterling, KY

PostPosted: Sat Dec 20, 2008 6:54 pm    Post subject: Reply with quote Back to top

How is the call quality when you are not downloading anything? What exactly is happening - for example, can you hear incoming audio ok but the other caller has issues hearing you? Are calls getting dropped?
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doncaruana
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Joined: May 20, 2005
Posts: 21

PostPosted: Sat Dec 20, 2008 6:58 pm    Post subject: Reply with quote Back to top

Sound quality is fantastic with no downloading going on. No drops, no stutter, just crystal clear audio.
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trekologer
Vonage Forum Evangelist
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Joined: Dec 04, 2005
Posts: 350

PostPosted: Sat Dec 20, 2008 7:15 pm    Post subject: Reply with quote Back to top

Are you use downloading using bittorrent (or similar software)?
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doncaruana
Vonage Forum Associate
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Joined: May 20, 2005
Posts: 21

PostPosted: Sat Dec 20, 2008 7:35 pm    Post subject: Reply with quote Back to top

No, I download with a newsreader (newsbin). It's the same software I've been using for years and the same version that worked fine in the old house, never any issues until I moved.

I do have to admit that this prompted me to got try and do some standard downloads (from sun.com, etc) and I didn't seem to have the issue.

Why did you ask about bittorrents? Is there something special about certain traffic?
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trekologer
Vonage Forum Evangelist
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Joined: Dec 04, 2005
Posts: 350

PostPosted: Sat Dec 20, 2008 7:57 pm    Post subject: Reply with quote Back to top

Bittorrent (and similar downloading schemes) uses multiple simultaneous connections for uploading and downloading. Its generally not the speed of the download or uploads that messes with voice quality; its the number of connections. Bittorrent is an extreme example because it generally blasts the connection with a very high number of connections and, even after you disconnect, other users continue to try to download from you. It often becomes very similar to a denial of service attack.

I suspect that Newsbin operates in a similar manner.

Now, here's some bad news. No router can truly provide QoS to inbound traffic effectively. It doesn't have the ability to shape the traffic until it reaches the router and by then the traffic has already saturated your connection. Limiting download speed also isn't very effectual since the way that is done is for the software to start to drop some packets, forcing the other end to back off the rate that it sends. In your case, I believe that each message is going to initiate a new connection, so this method of attempting to reduce the download rate is going to be performed many, many times.

The solution would be to configure Newsbin to limit the number of connections it makes, at least while you are using the telephone. Unfortunately since I am not familiar with the software, I can't tell you how (or even if its possible) to do that.
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