NDLI: VoIP over WLAN

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VoIP over WLAN

Content Provider	Semantic Scholar
Author	Nikkari, Joni
Copyright Year	2007
Abstract	The objective of this study is to analyse the potentials of VoIP over WLAN (VoWLAN) in a modern environment from the point of view in both companies and private users. VoWLAN needs two independent technologies to work: wireless LAN and WLAN phone which is based on VoIP. In the WLAN the information is transmitted through the airscape using radio frequency without cables. The IEEE 802.11 standard specifies the operation of the WLANs. There have been published many extensions which have upgrated various features of WLAN devices. VoIP is a technology which enables voice calls and realtime video transfering through the Internet. This technology requires a wideband Internet connection like cable modem, xDSL or LAN. The WLANs are rapidly spreading among modern businesses and the same is true about VoIP. WLANs are cheap, easier to install than traditional LANs and because of mobility, more versatile. Benefits of VoIP are cheap or in most of cases, free phone calls around the world. Also most VoIP applications, such as Skype, are free and easy to download and use. The future prospects of VoWLAN are bright but also there are some problems. Because many big companies have launched their WLAN phones into the market and the sales of VoIP chips are predicted to increase in the future. There is already WLAN support and opportunity to execute VoIP calls in the newest mobile phones. Mobility is the trend. VoWLAN is a pretty new technology, which means that there is some work to do with the standards. There are also some problematic aspects, for example the quality of voice and service, controlling the calls, authentication and required capacity. At present it is sensible to wait, if you want WLAN phones in your office. Wireless technology comes with more variables than non-wireless technology.
File Format	PDF HTM / HTML
Alternate Webpage(s)	https://www.theseus.fi/bitstream/handle/10024/11903/2007-10-24-07.pdf?isAllowed=y&sequence=1
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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