How can i improve these numbers? also i really don't know how to interperte them besides the first line where is has x / 5.0? could some one explain the results to me..
MOS Analysis From You TO Boston
Media Quality MOS 3.6 / 5.0 (Best with G.711 is 4.4)
Codec G.711 (PCM at 64kbps, 20ms RTP payload, 80kbps IP BW) Round-Trip Latency 155 ms Packet Discards 2.9% Packet Loss 0.0% Loss Periods Min: 20 ms Avg: 20 ms Max: 220 ms Burst Loss
Jitter Min: 0 ms Avg: 9 ms Max: 174 ms
Signaling Quality Post-Dial Delay 78 ms Call Setup Time 93 ms Media Delay 203 ms MOS Analysis FROM Boston To You
Media Quality MOS 4.2 / 5.0 (Best with G.711 is 4.4)
Codec G.711 (PCM at 64kbps, 20ms RTP payload, 80kbps IP BW) Round-Trip Latency 155 ms Packet Discards 0.5% Packet Loss 0.4% Loss Periods Min: 20 ms Avg: 40 ms Max: 80 ms Burst Loss
Jitter Min: 4 ms Avg: 6 ms Max: 49 ms
Signaling Quality Post-Pickup Delay 102 ms Call Setup Time 97 ms Media Delay 137 ms
MOS Analysis FROM Boston To You
Media Quality MOS 4.2 / 5.0 (Best with G.711 is 4.4)
Codec G.711 (PCM at 64kbps, 20ms RTP payload, 80kbps IP BW) Round-Trip Latency 155 ms Packet Discards 0.5% Packet Loss 0.4% Loss Periods Min: 20 ms Avg: 40 ms Max: 80 ms Burst Loss
Jitter Min: 4 ms Avg: 6 ms Max: 49 ms
Signaling Quality Post-Pickup Delay 102 ms Call Setup Time 97 ms Media Delay 137 ms
Basically these results are pretty good. As you can see, things are better on the downlink than on the uplink, and the biggest difference is reflected in the packet discards and maximum delay time. The difference in quality is not unusual since you have more bandwidth on the downlink than on the uplink.
As far as improving things is concerned, you first need to be sure that nothing (except the modem) in your local setup is contributing. Do this by eliminating any routers, Vonage adapters, etc. and, with your computer plugged directly into your modem, repeat the test. If you get similar results, as you probably will, then you're bumping against the limits of your internet service, and there's not much that you can do without the cooperation of your ISP.
_________________ Steve Gray Orlando, FL
NateHoy Vonage Forum MVM
Joined: Nov 01, 2005 Posts: 2257
Location: New England
Unless you can isolate your problems to your local network, you're basically going to have to ask your ISP to fix your connection. It may or may not be possible for them to do it, and they may or may not be willing. But it's worth a shot. It may involve some rewiring, or a replacement of your modem, or they may be able to make modem adjustments or backbone adjustments to fix any problems they find.
But, first, connect a single computer directly to your Internet connection and re-run the test. If your numbers improve significantly, then you need some upgrades to your local network equipment, or you need QoS http://vonage.nmhoy.net/qos.html if other services or computers on your local network are competing with Vonage.
_________________ Comcast Cable (3m down / 256k up) -> Linksys BEFCMU10 v2 (DOCSIS 1.0) -> WRT54G v4 ("Tomato" firmware) -> the rest of my network including a WRTP54G (Firmware: 5.01.04) My Vonage Self-Help Guides: http://vonage.nmhoy.net
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