论文部分内容阅读
据伦敦一家调查公司预测,2005年世界 IP 电话服务的收入将高达600亿美元。这远远超过了其他分析家预测的电话公司的增长速度。该调查公司称,由于 IP 已成为广域
According to a survey conducted by a London company, the world’s IP telephony services in 2005 will have revenues up to 60 billion U.S. dollars. This goes far beyond the growth rates predicted by other analysts for telephone companies. The survey company said that because IP has become a wide area