Testing industrall VoIP implementations: registration for SIP phones

M. U. Uyar, S. S. Batth, James J. Allen, W. H. Chriss, Eva B. Phillips, Diane Somers, Shahank Sarwate
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引用次数: 1

Abstract

The Session Initiation Protocol (SIP) is an application-layer control protocol that can establish, modify, and terminate multimedia sessions such as Internet telephony calls. SIP provides a registration service so that the users can upload their current locations for use by proxy servers. A finite-state machine (FSM) model for SIP registration process is presented. The complexity of the SIP registration model is increased due to the concurrent timers, namely retransmission, transaction and registration interval timers, that are running during SIP operations. This FSM model is then used to generate minimum-cost test sequencesfor conformance testing ofSIP telephones manufactured by Avaya. These test cases are planned to be presented to the European Telecommunications Standards Institute (ETSI) Technical Committee Methods for Testing and Specification (MTS) to be adopted as complementary test cases to the existing SIP Test Suite.
测试工业VoIP实现:注册SIP电话
SIP (Session Initiation Protocol)是一种应用层控制协议,可以建立、修改和终止多媒体会话(如Internet电话)。SIP提供注册服务,以便用户可以上传其当前位置,供代理服务器使用。提出了一种SIP注册过程的有限状态机模型。由于在SIP操作过程中运行的并发计时器,即重传计时器、事务计时器和注册间隔计时器,增加了SIP注册模型的复杂性。然后使用该FSM模型生成最低成本测试序列,用于Avaya生产的sip电话的一致性测试。这些测试用例计划提交给欧洲电信标准协会(ETSI)技术委员会测试和规范方法(MTS),作为现有SIP测试套件的补充测试用例。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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