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Vonage SB5120 modem, Docsys 1.1, 2.0
Vonage - motorola adapter
Comcast
Problems
SB5120 modem, Docsys 1.1, 2.0
Vonage - motorola adapter
Comcast
Problems since April.
Symptoms:
Voip - I can here them but I drop out for 10 to 20 seconds at a time frequently throughout the call. Occasionally choppy. Problems occur every single call that I must make an immediate announcement for them to stay with me, I will drop out - be able to hear them, they just won't be able to hear me for spells.
Can not video conference anymore, broken audio, video freezes (vrmeetings/meetingplaza w smart bandwidth compression that even a dial up should fly and MSN). We do not do gaming.
Upload issue now showing on simply surfing net as usual, data has to be transmitted several times to go.
DX:
Ping tests and tracerts - heaps of time outs, packet loss, latency 100 - 300 ms
Voip tests - 59% - 82% QOS usually
Speed tests - sometimes good, sometimes under 300 on my UL.
Modem log - warnings, criticals, time outs - box loses signal.
Have taken Vonage adapter out of loop - no difference.
Have taken network down and run one pc through SB5120 - no difference.
Found hundreds of uers on this and broadband forums all with same complaint on SB5120: Voip UL issues, VPN, gaming, video conferencing problems.
Comcast response:
A unique and mysterious issue.
Phone support sees modem dropping out hundreds of times but techs to house say they don't know what they're talking about.
Replaced line pole to house.
Made me swap modem out at local Comcast store (replaced with same model - SB5120).
Complete denial of any issues whatsoever.
Mad at Fred who posted the Comcast engineers name and number who admitted via his own bench-testing that there WAS a problem with the 5120.
Best guess:
Firmware issue with SB51xx's - when we first plugged the new one in we were screaming and functional again - within a matter of hours (firmware updates) we were dead in the water again.
Solution:
Waiting for my new Linksys modem to arrive, it has solved Fred and many others problems immediately.
Best wishes to all just starting out on this road, I've been at battle since April.
Gina
12 miles south of Boston
Read The Full Thread: Comcast, Dropped calls, Lag, timeouts, UDP
• If you are having a problem with Comcast please post your modem information, location
• Location - Douglasville, GA
Modem - Motorola 5100 series
dropped calls,
• Everett, WA
8 meg down 768 upload
dlink dcm 202
no boyd can hear me after
• Springfield, MO
Dropped calls and bad audio today since about 3 pm central
• For those of you who are entering your information, I did forget to include a request
• I moved within my same neighborhood June 1. Kept Comcast service, SB5120 modem,
• Hey PDrayton - hope it stays good - they no doubt rolled you back but if you cop a firmware
• West Saint Paul, MN (55118)
651 area code
Comcast HSI (currently 8Mbs/784Kbps)
Motorolla
• I would suggest as part of the first step in troubleshooting your problems, using
Gina516 posted "SB5120 modem, Docsys 1.1, 2.0
Vonage - motorola adapter
Comcast
Problems" on 08/18/2006 |
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