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Advanced International Conference on Telecommunications and International Conference on Internet and Web Applications and Services (AICT-ICIW'06)
The SIP-Based System Used in Connection with a Firewall
Guadeloupe, French Caribbean
February 19-February 25
ISBN: 0-7695-2522-9
Peter Koski, Tampere University of Technology, Pori
Jorma Ylinen, Tampere University of Technology, Pori
Pekka Loula, Tampere University of Technology, Pori
Different methods, such as ALG, STUN, TURN and FCP have been proposed for using SIP together with firewalls and NAT. The most suitable solution has to be determined in every situation. Some of these methods cause more network traffic and capacity requirements, while others require support from the clients being used in the network. In this paper a system which makes it possible to offer SIP service to customers behind NAT without making any changes to firewalls is presented. The system is based on an RTP proxy and a SIP server, which modifies SIP messages.
Citation:
Peter Koski, Jorma Ylinen, Pekka Loula, "The SIP-Based System Used in Connection with a Firewall," aict-iciw, pp.203, Advanced International Conference on Telecommunications and International Conference on Internet and Web Applications and Services (AICT-ICIW'06), 2006
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