[ILUG] Help needed with VOIP & Digital Phone
alan at codecrunchers.ie
Fri Mar 6 11:32:19 GMT 2009
That's a pretty comprehensive answer - I guess I'll go looking for a wired
2009/3/5 Michael Watterson <watty at eircom.net>
> Alan Ryan wrote:
>> 2009/3/5 Alan Ryan <alan at codecrunchers.ie>
>>> Hi Joerg,
>>> The e270 is up and running, pretty reliable. Used a softphone today, but
>>> the quality was pretty bad alright. I could hear them fine, but the
>>> side said that there was a delay and terrible echo. Is it the e270 or
>>> o2 connection that you think the problem might lie with?
>> The problem is Mobile Internet, not specifically O2 or the Modem.
> It has 100ms to 2000ms latency, typically 150ms
> High Jitter
> speed varies from 0.050Mbps to 5Mbps +
> Packet loss can be high or OK.
> It's inherently unsuitable for VOIP. If more than about 10 people are using
> your sector it's likely to be poor.
> It's possible to get more consistent VOIP on 40Kbps dialup!
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