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| Titel: |
IMPROVING ‘PRESENCE’ SITUATION IN THE SIP BASED IP TELEPHONY NETWORKS |
| Auteur: |
R. A. Akerkar |
| Verschenen in: |
International journal of computer networks & communications |
| Paginering: | Jaargang 1 (2009) nr. 2 pagina's 1-10 |
| Jaar: |
2009 |
| Inhoud: |
The convergence of Voice and Data networks has changed the rudiments of telecommunication. With thespread of Cellular networks, convergence of voice, data, and cellular network is envisaged allowingusers to seamlessly access services across networks while on the move. In this paper we discuss problemsrelated to “Presence” in a converged network. A key issue in presence is to trace a user correctly andconsistently. In a SIP (Session Initiation Protocol) based IP telephony network the presence informationis kept as “Registration” bindings. We propose to use an alert mechanism, similar to paging in mobilenetwork to notify the user of expired SIP registrations, so that the device/user can update the registrationbindings. This improves the overall functionality of a SIP based IP telephony network and allows users toreceive calls that would have otherwise been missed. In case the call does not mature, we inform thecalled party about the missed call so that the conversation can mature asynchronously. This solutionwould increase the reach of VoIP (Voice over Internet Protocol) to people and regions where internetpenetration is low. |
| Uitgever: |
Academy & Industry Research Collaboration Center (provided by DOAJ) |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 7 van 10 gevonden artikelen
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