Development of SIP based Call Processing Language Server System 


Vol. 29,  No. 1, pp. 101-108, Jan.  2004


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  Abstract

SIP(Session Initiation Protocol) is a suitable protocol for supporting Internet telephony services and currently market requirements for developing supplementary telephony services such as unconditional call forwarding, call forwarding on busy or no answer, call filtering services have recently grown. CPL(Call Processing Language) is a standard technology that can be used to describe and control internet telephony services. In this paper, we describe the CPL system for supplementary Internet telephony services using SIP as an application level call signaling protocol. Those supplementary services are composed of CPL client which is a SIP UA, SIP Proxy server, Registrar and CPL server. In this paper, we describe the design and implementation of the CPL server system in detail which is developed in Linux 7.2 using C and C++ programming languages.

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  Cite this article

[IEEE Style]

J. Yi, K. Min, S. Kang, "Development of SIP based Call Processing Language Server System," The Journal of Korean Institute of Communications and Information Sciences, vol. 29, no. 1, pp. 101-108, 2004. DOI: .

[ACM Style]

Jong-Hwa Yi, Kyung-Joo Min, and Shin-Gak Kang. 2004. Development of SIP based Call Processing Language Server System. The Journal of Korean Institute of Communications and Information Sciences, 29, 1, (2004), 101-108. DOI: .

[KICS Style]

Jong-Hwa Yi, Kyung-Joo Min, Shin-Gak Kang, "Development of SIP based Call Processing Language Server System," The Journal of Korean Institute of Communications and Information Sciences, vol. 29, no. 1, pp. 101-108, 1. 2004.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880