作为融合网络应用中的两大应用语音、视频应用,尤其是VoIP语音应用的发展,业界众多专家均十分看好,他们认为,VoIP应用如今无论是在产品价格性能、以及语音质量等方面均取得了长足进步,在今年下半年,VoIP应用将会得到快速普及。众所周知,与传统的PSTN电话交换网络相比,VoIP技术 As the convergence of network applications in the two major applications of voice and video applications, especially VoIP voice applications, many experts are very good industry, they think, now VoIP applications both in terms of product price performance, and voice quality have made Great progress, in the second half of this year, VoIP applications will be rapid popularity. As we all know, compared with the traditional PSTN telephone switching network, VoIP technology