North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical RE: bad Vonage connection, was Vonage complains about VoIP-blocking
> -----Original Message----- > From: John R Levine [mailto:[email protected]] > Sent: Wednesday, February 16, 2005 1:55 AM > To: Hannigan, Martin > Cc: [email protected] > Subject: RE: bad Vonage connection, was Vonage complains about > VoIP-blocking > > > > Odd regarding the Vonage connection. Their sitting on UU > from where I > > can see and I have excellent transit to them from Comcast. > > I'm on Sprint, and the service was fine for a year and a > half. In recent > months it deteriorated to the point where more often than not > I couldn't > understand the other party at all, even though they always > said they could > hear me fine. Since my connection is symmetrical (t1, not > dsl or cable) > and my stats always say I have spare inbound capacity, I'm > sure it's not > at my end. > > > I've tested Vonage, only because I had it, with the Semena > NE2000 Network > > Test Device and introduced multiple error, path, and > latency issues and it > > stood up very well. At one point, I jacked up the latency > to 4000ms and I > > was still able to place, communicate, and drop calls > effectively. I was > > very surprised at how it handled that large introduced latency. > > It wasn't latency, it was jitter and mostly dropouts. I > think they have > vast amounts of buffering so latency is tolerable if you can stand the > talking to the moon effect. I have not tested jitter, but I will now. I had some dropouts when one of my machines was "being bad", and while it didn't usually disco, it did drop call content. I was surprised it hung on to the call for as long as it did. Longest I can attest to is about 25 seconds. I haven't gotten around to figuring out why it held the session at all. > > > I don't know about Vonage support. Never tried it. > > That's the problem. It no longer exists. E-mail is auto-acked and > ignored, phone calls go through the usual voice jail tree > until you get to > the point when it would queue me for a person, where I always > got a busy > signal. > > Calling the number to cancel was no problem getting through, > but by then > it was too late, I'd already ported the number to Lingo who > is slightly > cheaper and has a much larger local calling area, roughly Honolulu to > Helsinki. Have you experienced any blocking on Vonage? -M<
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