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[Equipment] Recent info for D-Link VTA-VR? »
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AuthorAll Replies

garys_2k

join:2004-05-07
Farmington, MI
reply to tdrake2175ds
Re: [Equipment] Sudden call quality issues with Vonage

Run a "Preserve Speech Quality" test to San Jose at »www.testyourvoip.com/ and see how well it works. Repeat right after a bad call to see what the issues are.

tdrake2175ds

join:2009-03-01
Alpharetta, GA

I tried it and here are the results. I'd appreciate any insight. (sorry so wordy, I"m trying to provide a complete picture). I am afraid I am not really doing so well at interpreting them. It would seem that the discards at 3.1 percent is too high ( I know the network team would be going ballistic if this were on the WAN at work ), but I am far from an expert in VOIP.

When I ran the voip traceroute, the total route was around 67 ms, and 17 hops. The longest hops were 33ms between LA and Dallas (hop 5 to hop 6) , and then 21 ms from Dallas to Nashville (hop 6 to hop 7). There was 4 ms from Nashville to Atlanta (hops 7-17), and there was 8 ms from the host to the backbone in LA (hops 1-5). A regular traceroute and ping from my system to the remote host show similar latency between 70-100ms, and taking 23 hops.

Here are the stats from the test.

From me to San Jose:

Round-Trip
Latency 159 ms
Packet Discards 3.1%
Packet Loss 0.0%
Loss Periods Min: 20 ms
Avg: 20 ms
Max: 40 ms
Random Loss

Jitter Min: 0 ms
Avg: 8 ms
Max: 50 ms

Post-Dial Delay 141 ms
Call Setup Time 157 ms
Media Delay 297 ms

To me from San Jose:
Round-Trip
Latency 159 ms
Packet Discards 1.5%
Packet Loss 0.0%
Loss Periods Min: 20 ms
Avg: 20 ms
Max: 20 ms
Random Loss

Jitter Min: 4 ms
Avg: 7 ms
Max: 42 ms

Post-Pickup Delay 119 ms
Call Setup Time 113 ms
Media Delay 152 ms
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Forums » VOIP etc » Voice Over IP - VOIP » Vonage[Equipment] Recent info for D-Link VTA-VR? »
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