随着互联网络发展速度的加快,一些传统电信服务也逐渐地迁移到了Internet上,其中,IP电话就是发展得非常快的一项服务。由于互联网天生的开放架构,使得传统的电信业务在迁移过程中又获得了很多新的特征。其中基于开放标准的IP电话,就能够以多种方式给人们提供语音通讯服务。 With the acceleration of the development of the Internet, some traditional telecommunications services have gradually migrated to the Internet. Among them, IP telephony is a service that has been developed very rapidly. Due to the inherent open architecture of the Internet, traditional telecommunication services have acquired many new features in the migration process. Among them are open standards-based IP Phones, which provide voice communications to people in many ways.