Thank your for your generous reply and it made me educated some in the way I am. my upload is the 128kbps as per the ISP. please wish me in my way. I'm going to install FC3 sever, make a DNS for my LAN and share the internet connection 20 people through a proxy. but I'm not much clear what i should do exactly and hope assistance of the list when I find a problem. pls advice me when you have spare time. Thank you very much. Mohan ----- Original Message ----- From: "Nifty Hat Mitch" <mitch48@xxxxxxxxxxxxx> To: "For users of Fedora Core releases" <fedora-list@xxxxxxxxxx> Sent: Thursday, January 27, 2005 7:38 PM Subject: Re: your comments regarding following > On Tue, Jan 25, 2005 at 04:02:28PM +0530, Rahul Sundaram wrote: > > > > > > I have a DSL line with 128kpbs, how many people could be shared on this > > > connection practically? > > > > If I use VoIP phone over this line with the entire share, what > > > could be the voice quality? > > > poor :-) > > First DSL is commonly asymmetric (ADSL). It is important to give both > the upload and download speed. Be very specific about which service > you purchased. 128kpbs sounds like half the information to me. > > A rule of thumb... 56Kbaud is the upper limit for a dial up line for > a reason. i.e. This is the bandwidth for uncompressed standard audio > through the phone system. Half of that bandwidth can still be > understood. > > Thus a 128kpbs link uses two normal audio channels in the phone system. > > VoIP applications can encode and compress audio so you get better > channel use but that requires that both ends use the same encoding and > decoding tricks. > > If the link is shared 11 ways then no one will get a constant full > audio channel of bandwidth when all 11 are active. If the use is > intermittent enough it might work statistically. > > Try it.... It is possible to use serial line IP between two > test boxes and model what 128kpbs or 56Kbps is like > > > -- > T o m M i t c h e l l > spam unwanted email. > SPAM, good eats, and a trademark of Hormel Foods. > > -- > fedora-list mailing list > fedora-list@xxxxxxxxxx > To unsubscribe: http://www.redhat.com/mailman/listinfo/fedora-list > >
