The design and implementation of SIP-B2BUA and its applications

Authors:
Yong Liu;Chong Zhang;Guoliang Lan;Xingwei Wang
Affiliations:
Northeastern University, Shenyang Broadcast & TV Station, Shenyang 110004, China;Shenyang Institute of Computing Technology, Chinese Academy of Science, Shenyang 110168, China;Shenyang Institute of Computing Technology, Chinese Academy of Science, Shenyang 110168, China;Faculty of Information Science and Engineering, Northeastern University, Shenyang 110004, China
Venue:
International Journal of Wireless and Mobile Computing
Year:
2014

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Abstract

For the special telephone communication needs of broadcast and TV, we discuss how to implement diversiform services in VoIP systems based on Session Initiation Protocol SIP. A new method based on SIP-B2BUA is proposed and then we implement it. First, a B2BUA component is designed and implemented. The component not only can do the basic functions of a B2BUA, but also has a smart dial-plan and an API of application modules. Second, it is discussed that the B2BUA call-processing ability extends for more diversiform services by the dial-plan smartly and application modules. The diversiform service includes callback service, Auto Call Distribution ACD and other call features of IP-PBX. Finally, we draw the general way out to implement diversiform services based on the B2BUA component.