1、Embedded VOIP SIP-based ResearchandImplementationof theterminalADissertationSubmittedtoNanjingInstituteofTechnologyFortheAcademicDegreeofBachelorofScienceBySupervisedbyInstructorCollegeofCommunicationEngineeringNanjingInstituteofTechnologyJUNE2011摘要随着计算机技术和网络技术的发展,语音压缩和实时传输控制技术的不断发展,使得在I