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Vonage 1. Your location: Beaverton, OR, USA
2. Your ISP name and type: Comcast Cablemodem
3.
1. Your location: Beaverton, OR, USA
2. Your ISP name and type: Comcast Cablemodem
3. Upload and download speeds: UP: 384Kb/s, DWN: 6Mbit/s
7. Issue you are experiencing ie dropped calls, choppy audio etc
I have been using Vonage for almost a year and it has been pretty good until lately. For the last couple of months, incoming phone calls break up a lot and the voice is garbled to the point that I can't understand it. This applies to local calls from my neighbor as well as interstate calls from my parents. Almost everytime I have the person calling hang up and I call them back. the voice quality is much better and is what I have experience in the past from Vonage.
Tonight I talked to a Vonage tech support rep and he had me put my voice adapter between the cable modem and my router to eliminate router issues. Didnt help.
If I remember correctly this started really messing up about 2-3 months ago which is the same time that Comcast started offering their phone service. Coincidence?
Any one help?
4. Modem make and model
Toshiba Cablemodem model PCX2500
5. Type of Vonage adapter used ie RT31P2 or PAP2
Software Version: VT20_02.1.06
Bootrom Version: VT20_02.1.06
Hardware Version: Model: VT1000 Revision: 0 BSP: 1.2/0
Config File Version: 1133224600695/1002304884
6. Setup of Network ie Modem->Vonage Adapter->PC
Normal setup: Modem->LinksysWRT54G_router->Linksys_Switch(1GB)->Vonage Phone Adapter
(PC is on the same switch)
Troubleshoot setup (setup to get results below):
Modem->Vonage_Phone_Adapter->LinksysRouter->Linksys_Switch->PC
8. DETAILED results from www.testyourvoip.com with a test call to Test Details from testyourvoip.com:
MOS Analysis from You TO Boston
MOS analysis chart
Media Quality
MOS
4.4 / 5.0
(Best with G.711 is 4.4)
Degradation Sources
Codec 0.57 89.7%
Latency 0.04 6.7%
Packet Discards 0.02 3.3%
Packet Loss 0.00 0.0%
Codec G.711 (PCM at 64kbps,
20ms RTP payload,
80kbps IP BW)
Round-Trip
Latency 225 ms
Packet Discards 0.1%
Packet Loss 0.0%
Loss Periods
Min: 20 ms
Avg: 20 ms
Max: 20 ms
Random Loss
Jitter
Min: 0 ms
Avg: 8 ms
Max: 34 ms
Signaling Quality
Post-Dial Delay 156 ms
Call Setup Time 172 ms
Media Delay 360 ms
MOS Analysis FROM Boston To You
MOS analysis chart
Media Quality
MOS
4.2 / 5.0
(Best with G.711 is 4.4)
Degradation Sources
Codec 0.57 70.7%
Latency 0.05 6.4%
Packet Discards 0.00 0.0%
Packet Loss 0.18 22.8%
Codec G.711 (PCM at 64kbps,
20ms RTP payload,
80kbps IP BW)
Round-Trip
Latency 225 ms
Packet Discards 0.0%
Packet Loss 0.7%
Loss Periods
Min: 20 ms
Avg: 20 ms
Max: 20 ms
Random Loss
Jitter
Min: 4 ms
Avg: 7 ms
Max: 26 ms
Signaling Quality
Post-Pickup Delay 162 ms
Call Setup Time 167 ms
Media Delay 196 ms[B]
Read The Full Thread: Outgoing calls fine...Incoming calls garbled
• Well, you do have some packetloss on the incoming. That could be giving you some
• I would think that Packet loss of 0.7% would cause very minor speech problems,
• The issue you're describing, I have had lately for the past 2-3 weeks with my outbound
• You can add me to this list - I'm surprised that more people don't seem to be having
• I just talked to a tech support guy and he is forwarding my issue to the engineering
• Sounds like this is a good start...As a correction to my response, I'm seeing this
sundansx posted "1. Your location: Beaverton, OR, USA
2. Your ISP name and type: Comcast Cablemodem
3." on 11/28/2005 |
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