For the last day and a half, my phone calls have been horrible. Callers can barely hear me and when I speak there is roughly a 5 second delay before they hear anything.
My internet connection is 2 Mbps down and 1 Mbps up. Connection works fine; I can ping sites without any packet loss.
I have changed nothing in my configuration.
Here's my "testyourVoIP" report:
(OUTBOUND) Media Quality MOS 1.0 / 5.0 (Best with G.711 is 4.4)
Degradation Sources Codec 0.58 14.4% Latency 0.82 20.5% Packet Discards 2.59 64.9% Packet Loss 0.01 0.2% Codec G.711 (PCM at 64kbps, 20ms RTP payload, 80kbps IP BW) Round-Trip Latency 2896 ms Packet Discards 95.6% Packet Loss 0.3% Loss Periods Min: 300 ms Avg: 340 ms Max: 380 ms Burst Loss Jitter Min: 1 ms Avg: 6 ms Max: 94 ms Signaling Quality Post-Dial Delay 156 ms Call Setup Time 172 ms Media Delay 406 ms
(INBOUND) Media Quality MOS 2.4 / 5.0 (Best with G.711 is 4.4)
Degradation Sources Codec 0.57 22.4% Latency 1.73 67.4% Packet Discards 0.26 10.1% Packet Loss 0.00 0.0% Codec G.711 (PCM at 64kbps, 20ms RTP payload, 80kbps IP BW) Round-Trip Latency 2896 ms Packet Discards 1.2% Packet Loss 0.0% Loss Periods Min: 180 ms Avg: 180 ms Max: 180 ms Burst Loss Jitter Min: 4 ms Avg: 6 ms Max: 137 ms Signaling Quality Post-Pickup Delay 212 ms Call Setup Time 222 ms Media Delay 242 ms
Any suggestions are appreciated.
Thanks,
David
scerruti Vonage Forum MVM
Joined: Feb 05, 2005 Posts: 1424
Location: Carlsbad, CA (finally)
It's no wonder you are having problems. The first thing you need to do is identify the source of the dropped packets on your outbound connection. Try pingplotter and see if you can identify a node that is dropping the packets. Hopefully it will be something your ISP can resolve.
Your inbound latency is horrific too, but I am hoping that is a side effect of your outbound problems. What type of broadband do you have?
Okay...I've set the packet size to 1400 Bytes (I also tried smaller sizes... just slightly lesser latency). Anything I've tried with pingplot that is supposedly a Vonage server... the final hop is unreachable.
When I traced yahoo.com... here was the result for a few samples:
I'm posting from my business now which is across the street from my apartment. I have a Vonage business line in here, as well as a regular landline. Testmyvoip gives me a 4.1 and I have no latency problems here. The phone sounds great.
My internet provider is the same, and my router's ip address is on the same subnet as my apartment's ip. Exact same service in both places.
Over at my apartment I tried the Vonage modem both behind and in front of the wireless router I use. Didn't matter. It worked fine behind it just two days ago.
Am I correct that the holdup is at the second hop? 64.9.40.1 ?
paul248 Vonage Forum Evangelist
Joined: Nov 25, 2004 Posts: 646
Location: Mountain View, CA
My ISP had somehow mistakenly capped my connection to 64 Kbps upstream. That was the problem. They set it back to 1 Mbps and credited me for a month of internet service
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