Journal of Beijing University of Posts and Telecommunications

  • EI核心期刊

JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM ›› 2004, Vol. 27 ›› Issue (2): 103-107.

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Implementation of a VoIP System With Delay & Delay
Jitter Monitoring Function

ZHOU Li-yuan, WANG Wen-dong, LIN Yu, CHENG Shi-duan   

  1. State Key Laboratory of Switching Technology and Telecommunication Networks, Beijing University of Posts and Telecommunications, Beijing 100876, China
  • Received:2003-01-12 Online:2004-02-28

Abstract: A VoIP prototype system, which can measure the delay and delay jitter of a VoIPsession is described in this paper.This system is implemented by doing some modifications on the RTP packet structure.

Key words: delay, delay jitter, SIP, RTP, QoS(quality of service)

CLC Number: