NDLI: A new methodology to adapt SIP Protocol for voice traffic transported over IP Network

Content Provider	IEEE Xplore Digital Library
Author	Mellouk, A. Guezouri, M.
Copyright Year	2006
Description	Author affiliation: LISSI/SCTIC, University of Paris XII-Val de Marne, France (Mellouk, A.)
Abstract	The convergence of company communications on IP network continues to oscillate between the protocol owners and the standards SIP, MGCP and H.323. We propose in this paper a new approach allowing a transparent traversal of NATs (Network Address Translation) to SIP protocol (Session Initiation Protocol). This ensures thus optimisation in the case of multimedia sessions. Indeed, the fact that SIP belongs to the application layer constitutes a weakness vis-àvis the traversal of NATs. It is due, on the one hand, to the way in which the server responds to requests of clients. On the other hand, it is caused by the dynamic allocation of the UDP ports. The approach proposed, called ''Adequate Solution for each Situation'' (ASS), allows to adapt in a dynamic way one of the following three solutions: connection-oriented media, STUN and TURN, following the situation which occurs during the call initialisation.
Starting Page	123
Ending Page	123
File Size	334318
Page Count	1
File Format	PDF
ISBN	0769525229
DOI	10.1109/AICT-ICIW.2006.20
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-02-19
Publisher Place	French Caribbean
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Transport protocols Telecommunication traffic IP networks Network address translation Internet telephony Communication standards Intelligent systems Intelligent networks Laboratories Electronic mail TURN and STUN Protocol. Session Initiation Protocol Network Address Translation Voice over IP multimedia sessions
Content Type	Text
Resource Type	Article

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