摘要
介绍了会话初始化协议(SIP);研究了基于SIP协议的软电话的设计和实现过程,主要涉及SIP消息的生成和处理,语音的压缩编码和回放以及使用RTP进行语音数据报的实时传输等关键技术;最后介绍了软电话的测试平台。
The SIP (Session Initiation Protocol) is introduced. The design and realization of the soft phone based on SIP are demonstrated. Some technologies about the generation and processing of SIP message, the compression codes and play of audio, and the real-time transmission of the RTP packets are analyzed. The testing platform of soft phone is explained.
出处
《华北电力大学学报(自然科学版)》
CAS
北大核心
2007年第1期120-122,共3页
Journal of North China Electric Power University:Natural Science Edition