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编者按:VolP技术是目前Internet应用领域的一个热门话题,它所涉及的技术、标准及发展趋势是人们关注的问题。本期专家答疑栏目邀请中国电信北京研究院叶华女士解答了相关问题。Q什么是VolP技术?它有什么优势?AVolP技术主要指通过Internet实时传送声音信号,即IP电话。广义上讲,它指的是通过IP网络实时传送多媒体信息。以前人们使用电话进行交流,采用电路交换技术传送语音信号。现在越来越多
Editor’s Note: VolP technology is currently a hot topic in the Internet application area, and the technologies, standards and trends it involves are issues that people are concerned about. This issue of expert Q & A invited China Telecom Beijing Research Institute, Ms. Ye Hua to answer the relevant questions. Q What is VolP technology? What are its advantages? AVolP technology mainly refers to the real-time transmission of voice signals over the Internet, that is, IP phones. Broadly speaking, it refers to the real-time transmission of multimedia information over IP networks. In the past, people used the phone to communicate and transmit voice signals using circuit-switched technology. Now more and more