The characteristics of Java Media Framework(JMF) API are introduced in this paper. The principle of work of the software is presented and the key problems are discussed. The implementation of the software based on JMF is introduced in detail.

• 介绍了Java媒体框架应用编程接口JMF的结构特点,阐述了Internet可视通话软件的工作原理和软件的关键技术,详细介绍了基于JMF下的软件的具体实现。