Thanks this will be really useful
Mukul
""Sasa Milic"" wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> -----
> Integrating Voice and Data Networks
> Scott Keagy
> Cisco Press
> Published October 2000
> ISBN 1578701961
>
>
> MJ wrote:
> >
> > Thanks Sasa,
> >
> > Well this will help me to calculate. Where you got all these stats ? are
> > they in the same book that you have reffered, can u tell me the Author
and
> > publication also.
> >
> > Can we have RTP compression at 2 Internet routers if they are connected
Via
> > Internet ?
> > Moreover normally delay is 500 msec or something on internet, and if you
> > have ever done a voice chat on msn or yahoo when we are on dialup,
things
> > work perfectly. So that made me think that VoIP should work perfectly on
> > Internet based leased lines.
> >
> > Mukul
> >
> > ""Sasa Milic"" wrote in message
> > [EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> > > Mukul,
> > >
> > > usually, one voice packet is 20 bytes. Add to that 40 bytes for
> > > RTP+UDP+IP headers. So, for 8 Kbps voice stream, you would have
> > > to add 16 Kbps for overhead. That is total 24 Kbps. RTP header
> > > compression could shrink that to 11-12 Kbps, but it is possible
> > > to use it only on PtoP links, between two routers running RTP
> > > compression.
> > >
> > > End-to-end delay (delay budget) should be less than 150 ms,
> > > but then, it all depends, it could work will more, depending
> > > on users' expectations.
> > >
> > > BTW, great book for VoIP is "Integrating Voice and Data Networks".
> > >
> > > Sasa
> > >
> > >
> > > MJ wrote:
> > > >
> > > > Moreover I second question was :
> > > >
> > > > What should be bandwidth to run one channel, they say 8K, so does
> > > > that mean that on 64K leased line I can have 8 Ports working without
> > > > any problem
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