Voice over Wi-Fi (wlan)-Technology Explained

WHAT IS WiFi(wireless fidelity) 

oWiFi is the wireless way to handle
networking.
oIt
is also known as 802.11 networking
and wireless networking. 
oThe
big advantage of WiFi is its Simplicity.
oCan
connect computers anywhere in home or office without the need for wires.
oThe
computers connect to the network using radio signals.
Voice over wireless wifi is the use of a wireless broadband network according to the IEEE 802.11 standards for the purpose of vocal conversation. In essence, it is voice over IP (VoIP) over a Wi-Fi network. 
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oSimply
means a Wi-Fi based VoIP Service or in even more general terms, a wireless
based VoIP system.
oWhere
VoIP consists of the hardware and software that enables people to use the
Internet as the transmission medium for telephone calls.
oVoWiFi
is the wireless version of  this technology that is designed to work on
wireless devices such as a laptop or PDA. 
oSimply
means a Wi-Fi based VoIP Service or in even more general terms, a wireless
based VoIP system.
oWhere
VoIP consists of the hardware and software that enables people to use the
Internet as the transmission medium for telephone calls.
oVoWiFi
is the wireless version of  this technology that is designed to work on
wireless devices such as a laptop or PDA. 
oSimply
means a Wi-Fi based VoIP Service or in even more general terms, a wireless
based VoIP system.
oWhere
VoIP consists of the hardware and software that enables people to use the
Internet as the transmission medium for telephone calls.
oVoWiFi
is the wireless version of  this technology that is designed to work on
wireless devices such as a laptop or PDA. 
oMobile
voice over IP (VoIP) is currently limited to voice over WiFi (VoWiFi) but, with
the introduction of cellular technologies providing higher bandwidth
capabilities, VoIP is likely to move towards cellular networks.

Over view of VoWiFi

o      VoWiFi is a term used for technologies or services which provide voice over WiFi
o      WiFi refers to any wireless LAN products or services that are based on the IEEE 802.11 WLAN standard with theoretical data rates ranging from 11M to 54 Mbit/sec. A hotspot is a wireless LAN node that provides Internet connection and virtual private network (VPN) access from a given location
o  VoWiFi is a term used for technologies or services which provide voice over WiFi
o  WiFi refers to any wireless LAN products or services that are based on the IEEE 802.11          WLAN standard with theoretical data rates ranging from 11M to 54 Mbit/sec. A hotspot is        a wireless LAN node 

that provides Internet connection and virtual private network (VPN) access from a given location

Deployment of VoWiFi

o  The
requirements of the three main segments making up the WLAN marketplace also
will have an effect on the deployment parameters of WLANs. These three market
segments are
o  Residential/SOHO (small office, home
office) cordless phones or scaled   down PBXs that will function as part of an
integrated gateway
o  Enterprise mobile VoIP WLAN network
(private network)
o  Cellular off-load network (VoIP over WLAN
in hot spots, which in turn interfaces to the public telephone network)
o  Such a network would allow seamless
multiple access options for most of the more prevalent voice and data services.

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