""The Long and Winding Road"" wrote in message news:[EMAIL PROTECTED] > ""supernet"" wrote in message > news:[EMAIL PROTECTED] > > A friend of mine wants to establish a business that use internet to make > > phone calls. He wants to set up PSTN gateways in some countries and sell > > IP phones to high speed customers so customers can talk to each other > > free of charge and they can call PSTN for a fee. I think net2phone.com > > has the same thing. > > > Anyone remember Blue Kangaroo? > > Risky business model. Capital intense. High customer support costs. > > Businesses can get long distance nationwide at less than 3 cents a minute > these days. I gotta wonder if there really is enough demand to make this a > profitable business, given the thin margins.
Yeah, but that's 3 cents a minute for calls in the US. International tariffs are significantly more expensive and hence offer more opportunities for arbitrage. > > ( Looking at low balance in bank account ) Obviously I know something about > making money...... :-Anyway, He has some questions that I couldn't > > answer. I appreciate if someone can help me: > > > > 1. Should he use SIP or CCM? > > 2. Is round trip delay 200-300 msec acceptable? > > > > Thanks. > > Yoshi Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=65237&t=65123 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]