ck cheng
Guest
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 Posted:
Thu Jan 06, 2005 3:30 pm Post subject:
DrayTek Vigor2500V, VoIP router with QoS function. |
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This is a advanced new VoIP router with all rich features.
Pls check DrayTek web site at : www.draytek.co.uk
Vigor2500V router equipped with QoS function :
Automatic QoS Assurance
Traffic levels from your local users to the Internet can vary; if someone
else on your router is downloading, that will affect your speeds. Mostly
that's quite tolerable - you just get your data a little slower but you
wouldn't normally notice. With VoIP, things are different. A voice call has
to be digitised, transmitted to the remote end and the turned back into an
analogue waveform (sound!) in real-time. If part of a packet is delayed
then
the sound becomes jerky and intermittent which at best is annoying and in
worst cases intolerable. The Vigor2500V firstly uses efficient codecs
designed to make the best use of available bandwidth, but secondly includes
automatic QoS Assurance. QoS (Quality of Service) Assurance reserves part
of
your Internet bandwidth for voice calls whilst a voice call is active (the
reserved bandwidth is available for regular use if there is no Voice call
active). This means that, regardless of what else other people are doing on
your Network, you will always have the necessary inbound and outbound
bandwidth reserved exclusively for Voice.
Just for your info. www.draytek.com
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