23 Sep
2013
23 Sep
'13
1:14 p.m.
The state of the art in VoIP and cellular is *better*
than POTS
lines.
Of course, it uses more bandwidth and thus costs more.
Spending
money is anathema to many people using VoIP, and the resulting call
quality is the obvious result.
This is so true. One of my employers is a VoI[%] provider. For the
most part, we don't sell the el-cheapo phones; we have enough call
quality troubles as it is. I think the cheapest phone we sell is
something like $75, our cost.
And, provided the VoI system isn't misbehaving (eg, dropping RTP
packets), sound quality is excellent. Since the D->A and A->D
conversions happen closer to the human user than with POTS, there is
less analog-layer degradation. The phones we sell even have decent
sound quality when running full-duplex handsfree, which can't be easy.
One way or another, you end up paying: in money, sound quality, or
whatever.
[%] VoIP is not new. Voice has been carried over IP on private links
for a long time. What's new (well, relatively new) is use of VoIP
over the public Internet - which is why I call it VoI.
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