Yarg. Packet losses of 2.9% are really too high, but they're in the wrong direction to explain your problem. Nevertheless, I would try connecting your computer directly to the modem, leaving the Vonage equipment out for now, and repeating the test. Let's see if it gets any better.
_________________ Steve Gray Orlando, FL
jgkoch Vonage Forum Associate
Joined: Aug 26, 2006 Posts: 20
Location: West Saint Paul, MN
Doesn't look like things got much better without the Vonage device attached. These are the test results with my computer connected directly to the Motorola SB5100 modem.
Speed test statistics --------------------- Download speed: 2300472 bps Upload speed: 738288 bps Quality of service: 64 % Download test type: socket Upload test type: socket Maximum download pause: 46 ms Average download pause: 9 ms Minimum round trip time to server: 50 ms Average round trip time to server: 67 ms
Voip test statistics -------------------- Jitter: you --> server: 6.8 ms Jitter: server --> you: 8.2 ms Packet loss: you --> server: 0.0 % Packet loss: server --> you: 0.0 % Packet discards: 0.0 % Packets out of order: 0.0 % Number of supported Voip lines: 12 Estimated MOS score: 3.9
Codec G.711 (PCM at 64kbps, 20ms RTP payload, 80kbps IP BW) Round-Trip Latency 123 ms Packet Discards 1.5% Packet Loss 0.0% Loss Periods Min: 20 ms Avg: 20 ms Max: 20 ms Random Loss
Jitter Min: 0 ms Avg: 3 ms Max: 22 ms
Signaling Quality Post-Dial Delay 70 ms Call Setup Time 100 ms Media Delay 210 ms MOS Analysis FROM Boston To You
Media Quality MOS 4.4 / 5.0 (Best with G.711 is 4.4)
Codec G.711 (PCM at 64kbps, 20ms RTP payload, 80kbps IP BW) Round-Trip Latency 123 ms Packet Discards 0.0% Packet Loss 0.0% Loss Periods Min: 0 ms Avg: 0 ms Max: 0 ms No Loss
Jitter Min: 0 ms Avg: 1 ms Max: 20 ms
Signaling Quality Post-Pickup Delay 110 ms Call Setup Time 112 ms Media Delay 142 ms
_________________ Jon Koch ISP: Comcast Modem: Motorola SB5100 Surfboard Broadband Phone: VTech 8100 IP
Shawn > Thank you. How may I help you? Jon > We are experiencing problems with packet loss and jittery connectivity with our High Speed Internet service. Shawn > I apologize for any inconvenience you have experienced with your connection but I would be happy to assist you with this. Shawn > I am going to check on the network status and run some tests to your modem now. When did the issue first start? Jon > This past month. Shawn > Do you connect your computer directly to your modem? Or do you use a router? Jon > We route through a broadband phone (VTech ip8100) ...but the same problem occurs if we connect directly to the modem. Shawn > Are you experiencing issues now? I'm not showing any outages in your area, and the connection to your modem is excellent. There is no latency on the network to your modem at the moment either. ----73.113.90.20 PING Statistics---- 25 packets transmitted, 25 packets received, 0% packet loss round-trip (ms) min/avg/max = 40/41/51 Jon > Can you check the transmit and receive channel power? Shawn > Both look great, no issues with stream power either. Jon > I'm running PingPlotter and it shows 10-30% packet loss in a couple different areas before leaving the Comcast host. Shawn > Can you run a traceroute to www.comcast.net and paste the results into this chat. Jon > It won't let me send that many characters Shawn > Then paste it into a notepad file, and copy and paste it in 2 parts. Jon > 1 0 ms 0 ms 0 ms 0 ms 0 ms 0 ms 0 ms 0 ms 0 ms 0 ms ip8100.vtechvoip [192.168.15.1] 2 6 ms 6 ms 5 ms 6 ms 6 ms 9 ms 5 ms 6 ms 7 ms 5 ms c-3-0-ubr02.invergrove.mn.minn.comcast.net [73.113.108.1] 3 6 ms 7 ms 6 ms 6 ms 6 ms 19 ms 5 ms 9 ms 5 ms 6 ms GE-1-38-ur01.invergrove.mn.minn.comcast.net [68.87.177.25] 4 6 ms 7 ms 6 ms 6 ms 6 ms 11 ms 5 ms * 5 ms 6 ms te-8-3-ur02.invergrove.mn.minn.comcast.net [68.87.174.170] 5 8 ms 6 ms 5 ms 6 ms 6 ms 13 ms 5 ms 9 ms 7 ms 6 ms te-8-4-ur01.newport.mn.minn.comcast.net [68.87.174.174] Jon > 6 6 ms 7 ms 5 ms 6 ms 6 ms 6 ms 6 ms 6 ms 7 ms 6 ms te-8-1-ur02.sims.mn.minn.comcast.net [68.87.174.81] 7 6 ms 6 ms 7 ms 7 ms 6 ms * * 6 ms 8 ms 6 ms te-8-3-ur01.sims.mn.minn.comcast.net [68.87.174.77] 8 6 ms 6 ms 8 ms 7 ms 6 ms 9 ms 5 ms 6 ms 7 ms 6 ms te-8-1-ar01.roseville.mn.minn.comcast.net [68.87.174.73] 9 24 ms 21 ms 23 ms 23 ms 22 ms 22 ms 23 ms 23 ms 23 ms 23 ms [12.117.139.205] 10 41 ms 43 ms 42 ms 42 ms 41 ms 43 ms 42 ms 42 ms 42 ms 41 ms tbr2-p033701.sl9mo.ip.att.net [12.123.24.206] Jon > 11 42 ms 42 ms 42 ms 40 ms 40 ms 40 ms 42 ms 41 ms 42 ms 42 ms tbr2-cl7.cgcil.ip.att.net [12.122.10.45] 12 42 ms 41 ms 42 ms 42 ms 42 ms 46 ms 41 ms 42 ms 41 ms 43 ms tbr2-cl3641.phlpa.ip.att.net [12.122.10.94] 13 42 ms 41 ms 40 ms 41 ms 40 ms 40 ms 41 ms 40 ms 40 ms 41 ms gar2-p390.phlpa.ip.att.net [12.123.137.205] 14 44 ms 42 ms 42 ms 42 ms 43 ms 43 ms 42 ms 43 ms 44 ms * mdf1-gsr12-1-pos-6-0.nyc3.attens.net [12.122.255.126] 15 42 ms 42 ms 42 ms 43 ms 43 ms 43 ms 42 ms 43 ms 44 ms * sccsbix12-3-1.attbi.com [63.240.64.42] Jon > 16 46 ms 43 ms 43 ms 42 ms 42 ms 51 ms 45 ms 47 ms 44 ms * [192.168.72.6] 17 45 ms 42 ms 44 ms 42 ms 42 ms 42 ms 43 ms 43 ms 44 ms * [192.168.72.77] 18 42 ms 44 ms 44 ms 42 ms 42 ms 42 ms 44 ms 44 ms 44 ms * [192.168.201.11] 19 42 ms 42 ms 44 ms 43 ms 42 ms 42 ms 44 ms 44 ms 43 ms * www.comcast.net [204.127.205.8] Shawn > There are some timeouts, but it isn't increasing the time over 100ms, so they wouldn't be effecting any connection speeds. Shawn > What are you pinging that is showing packetloss? Jon > What I'm getting is choppy voice quality, echo, audio pauses, and occasional dropped calls with our Voip. Shawn > There is nothing with your connection that would indicate the problem being caused by your connection, I apologize. There are some timeouts, which isn't uncommon, but the timeouts aren't effecting the connection rates. Jon > Pingplotter is spiking high levels of packet loss at 68.87.164.74 (Roseville) - I'm pinging www.comcast.net right now. Jon > 68.87.174.73 is the IP...sorry. Shawn > What are your results from the ping to www.comcast.net? Jon > It's what I posted. And the packet loss fluxuates from 10%-60%, mostly at the location I just mentioned. Shawn > I only have the traceroute you did to www.comcast.net , and there is no latency shown in the results. Shawn > Can you post the pingplotter results you have? Shawn > I have not had a response from you in a while. If you are still here, could you please reply to this message? Jon > It seems that the PingPlotter text results do not list the percentage of packet loss, only the delay numbers Shawn > I apologize Jon, I'm not showing any issues with your connection. I can schedule a service call for you to investigate, incase the results I'm showing aren't accurate, but if no issue is found with Comcast services there would be a $49.95 service charge. Someone over 18 and english speaking would need to be home. Also, we are unable to troubleshoot Voip connections directly, only your internet connection.
_________________ Jon Koch ISP: Comcast Modem: Motorola SB5100 Surfboard Broadband Phone: VTech 8100 IP
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