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VoIP interconnection ; between Internet, Cable, Mobile and Fixed Worlds


Author: Deventer, M.O. van · Keesmaat, I.
Publisher: TNO
Place: Delft
Institution: TNO Informatie- en Communicatietechnologie
Source:Presented at MarcusEvans Conference “VoIP Business Strategies Forum”, Berlin, 9-11 November 2005
Identifier: 348847
Report number: 33792
Keywords: Informatics · VOIP · Internet · Cable


Four worlds on their own that hardly interconnect; All use SIP, but differently - Internet world - Mobile world - Cable world - Fixed world - At most, only basic voice service will interoperate between those worlds In recent years, VoIP/multimedia services (VoIP: Voice over Internet Protocol) have developed at a breathtaking pace. There are significant differences between operators in the fields of mobile, fixed, cable, and Internet communications, both in terms of the type of VoIP/multimedia services that are being developed and the technologies on which they are based. These differences are causing problems in the Session Initiation Protocol (SIP) standardisation process because each sector uses its own SIP 'dialect'. The article as published in the 'Automatisering Gids' is only available in Dutch.