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There were many complaints of simultaneous ring not working properly a few weeks back. I understand Vonage fixed something for this. Those of you that previously reported problems with simring, is i ...

If you are hearing DTMF tones, this is a problem that, I understand, has been endemic to VoIP technology.

No it's not. I have an alternative Voip service and have never heard a tone. And I don't ...

I assigned the ATA a rivate IP on my DMZ and opened all outbound access.

I'm confused. If you are connecting your ATA in the DMZ, it should have a public ip address, not a private ip address.
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All the connections are opened from inside your network, thus the PIX allows them. Actually, since we are talking about UDP protocol, "connections" is not quite accurate. But your phone is sending a ...

No, you shouldn't need to leave your computer on to make calls. can you describe your setup for us ?

Are you able to see any packets to/from the VT100 in your ethereal trace?

As I have posted many times before - if you have a stable ISP and broadband provider, a good router, and good network management, you should have no/minimal issues.

Precisely. And yet crossed ...

Interesting. I still think a Cisco bug seems unlikely, only because I've worked with Cisco gateways in the configuration you have, where the sip and rtp are on different addresses. I still think a V ...

I'm not sure I understand exactly what you are trying to do, but I doubt your supposition that it is a Cisco bug is correct. The signaling goes through Vonage's own (homegrown) proxy before it gets t ...

I know its not the crystal clear evidence you'd like, but I had two friends that also began experiencing those problems with their PCX 1100's when Comcast gave them the speed upgrades. They upgraded ...