1. Voice is a low burst rate data in addition to other characteristics
required such
as
low latency, jitter etc.
2. If you really want to think in terms of layers, voice is not layer 4
stuff, it is an
application, just as video is. It might go down through presentation layer
for say
compression
Hi, Gang,
I have a small thing I am still clear about, even though I thought it over.
what's the difference between VOip over frame Relay and VoFR? Does it mean
that for Voip the voice is taken as the data regarded as layer 4 data, then
encapsulated in layer 3 ip,then further be encapsulated as
you are correct.
landcai wrote in message
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Hi, Gang,
I have a small thing I am still clear about, even though I thought it
over.
what's the difference between VOip over frame Relay and VoFR? Does it mean
that for Voip the voice is taken as the
Bear in mind, too, that with VoIP you get things from IP that you cannot
from FR. Among them are the use of DSCP. With VoIP you may be using UDP and
RTP for transport and reservations, whereas with FR you set up a dedicated
circuit (dlci) for that traffic.
HTH
Annlee
landcai wrote in message
Bear in mind, too, that with VoIP you get things from IP
that you cannot from FR. Among them are the use of DSCP.
With VoIP you may be using UDP and RTP for transport and
reservations, whereas with FR you set up a dedicated circuit
(dlci) for that traffic.
HTH
Good points all. I'd also
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