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Implementation of VoIP Using Session Initiation Protocol

G. Appala Naidu, P. Chandrasekhar, K. Srinivas, Anwar Basha Pattan

Abstract


Implementation of Voice over Internet Protocol (VOIP) using Session Initiation Protocol (SIP) is the main objective of the paper. The VoIP technology allows voice information to pass over IP data networks. So the implementation of such technology has gained interest by many researchers. In this paper, SIP and H.323 Signaling protocols are used to implement VOIP. SIP is a proposed protocol standard developed by the IETF working group. Its purpose is to define a way to initiate, modify and terminate an interactive session between users. These sessions can contain video, music, voice, online games, instant messaging, etc. The advantages and disadvantages of the above said implementation is discussed. It is observed that SIP is more accurate than other protocol.

Keywords


Internet Protocol, Ethernet, OSI Model, D/A Converter, A/D Converter etc.,

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References


Rosenberg, J., et al., ―SIP: Session Initiation Protocol,‖ RFC 3261, 2002.

Schulzrinne, H., et al., ―RTP: A Transport Protocol for Real-Time Applications,‖ RFC3550, 2003.

Handley, M., and V. Jacobson, ―SDP: Session Description Protocol,‖ RFC 2327, 1998.

Roach, A., ―Session Initiation Protocol (SIP)-Specific Event Notification,‖ RFC 3265, 2002.

Campbell, B., et al., ―Session Initiation Protocol (SIP) Extension for Instant Messaging,‖RFC 3428, 2002.

Sugano, H., et al., ―Common Presence and Instant Messaging (CPIM) Presence Information Data Format,‖ IETF Internet-Draft, Work in Progress, 2002.

Mahy, R., ―Requirements for Connection Reuse in the Session Initiation Protocol

(SIP),‖ IETF Internet-Draft, Work in Progress, 2003

―Understanding the Session Initiation Protocol‖ Second Edition by Alan B. Johnston

http//: asterix.org

http://www.ietf.org/ietf/1id-abstracts.txt

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