VoIP Solution- Will WiFi VoIP phones provide the future?
by: Roy King
Voice over Internet Protocol, also referred to as VoIP, IP Telephony, Internet
telephony, Broadband telephony, Broadband Phone and Voice over Broadband
is the convergence of voice conversations combined with the Internet
infrastructure or through any other IP-based network.
Businesses providing VoIP service are referred to as providers, and protocols
which are used to carry voice signals over the IP network are referred to as
Voice over IP or VoIP protocols.
In 1973 Network Voice Protocol was invented for the service providers. Apparent
cost savings are achieved by utilizing a single network to carry voice and data.
VoIP to VoIP phone calls usually are at no charge, while VoIP to PSTN (public
switched telephone networks), may have a cost attached to the VoIP user.
Presently, a VoIP solution will route your calls through the public telephone
network via a gateway, with various solutions to making a call the most common
being the soft phone. ( A softphone is a dedicated software program to
accommodate telephone calls over the Internet everyday computer, instead of
using devoted hardware. A softphone is engineered to resemble a traditional
telephone, usually having the appearance of a traditional handset, a visual
display panel with keypads which the user can interact. A softphone is usually
used with a headset connected to the sound card of the PC, or with a USB
phone.)
Wifi
Wi-Fi is a wireless technology brand owned by the Wi-Fi Alliance with the
general purpose to improve the interoperability of wireless local area network
products based on the IEEE 802.11 standards.
Common applications for Wi-Fi include Internet and VoIP phone access,
gaming, and network connectivity for consumer electronics such as televisions,
DVD players, and digital cameras.
Wi-Fi allows LANs (A wireless LAN or WLAN is a wireless local area network,
which is the linking of two or more computers without using wires. WLAN utilizes
spread-spectrum or OFDM (802.11a) modulation technology based on radio
waves to enable communication between devices in a limited area, also known
as the basic service set. This provides users the mobility to move around within
a broad coverage area and still be connected to the network. For the home
user, wireless has become popular due to ease of installation, and location
freedom with the gaining popularity of laptops. Public businesses such as coffee
shops or malls have begun to offer wireless access to their customers; some are
even provided as a free service.) to be deployed without cabling for client
devices, typically reducing the costs of network deployment and expansion.
Areas where cables are prohibited, such as outdoor areas and historical
buildings, can host wireless LANs.
As of 2007 wireless network adapters are built into most modern laptops. The
cost of chipsets for Wi-Fi continues to drop, providing an economical networking
option now installed in many devices. Wi-Fi has become accepted in corporate
infrastructures, which also helps with the deployment of RFID (Radio-frequency
identification is an automatic identification method, relying on storing and
remotely retrieving data using devices called RFID tags or transponders. An
RFID tag is an object that can be applied to or incorporated into a product,
animal, or person for the purpose of identification using radiowaves. Some tags
can be read from several meters away and beyond the line of sight of the
reader.) technology that can piggyback on Wi-Fi.
Numerous brands of access points and client network interfaces are
inter-operable at a basic level of service. Wi-Fi is a global set of standards.
Unlike mobile telephones, any standard Wi-Fi device will work anywhere in the
world.
Wi-Fi is widely available in more than 250,000 public hotspots and tens of
millions of homes and corporate and university campuses worldwide. WPA is not
easily cracked if strong passwords are used and WPA2 encryption has no
known weaknesses.
Wi-Fi Protected Access (WPA and WPA2) is a class of systems to secure
wireless (Wi-Fi) computer networks. It was created in response to several
serious weaknesses researchers had found in the previous system, Wired
Equivalent Privacy (WEP). WPA implements the majority of the IEEE 802.11i
standard, and was intended as an intermediate measure to take the place of
WEP while 802.11i was prepared. WPA is designed to work with all wireless
network interface cards, but not necessarily with first generation wireless access
points.
New protocols for Quality of Service WMM (Wireless Multimedia Extensions)
(WME), also known as Wi-Fi Multimedia is a Wi-Fi Alliance interoperability
certification, based on the IEEE 802.11e draft standard. It provides basic
Quality of service (QoS) features to IEEE 802.11 networks. WMM prioritizes
traffic according to four AC (Access Categories) - voice, video, best effort,
and background. However, it does not provide guaranteed throughput. It is
suitable for simple applications that require QoS, such as Voice over IP (VoIP)
on Wi-Fi phones make Wi-Fi more suitable for latency-sensitive applications
such as voice and video, and power saving mechanisms (WMM Power Save)
improve battery operation.
A WiFi hard phone is assembled containing a small WiFi transceiver that
connects to a WiFi base station which transmits to a remote VoIP server.
Broadband phone service, offered through WiFi hot spots and high-speed
Internet service provide convenience for our on the go lifestyles. As WiFi
networking develops expect to see WiFi compatible cellular phones evolve to
make calling even more portable.
WiMAX, the Worldwide Interoperability for Microwave Access, is also a
telecommunications technology aimed at providing wireless data over long
distances in a variety of ways, from point-to-point links to full mobile cellular type
access. It is based on the IEEE 802.16 standard, which is also called Wireless
MAN. WiMAX allows a user, for example, to browse the Internet on a laptop
computer without physically connecting the laptop to a wall jack. The name
WiMAX was created by the WiMAX Forum, which was formed in June 2001 to
promote conformance and interoperability of the standard. The forum describes
WiMAX as "a standards-based technology enabling the delivery of last mile
wireless broadband access as an alternative to cable and DSL."
Today it is possibly to set up your laptop with a virtual soft-phone combined
with a WiFi connection to make calls from anywhere you can receive a high
speed Internet access. WiFi and WiMax may actually have a bright future for
solving the goals of conquering the digital divide.
Many new technologies are currently on drawings boards of telecommunication
engineers as you read this article. WiFi still remains the forerunner in wireless
technology and hopefully will provide us with advanced telecommunications
needed for a VoIP solution to take us into the future.
About the Author:
Roy King, is the editor for VoIP Solution Journal. Selecting VoIP Solution for
Home or Business. VoIP Solutions, providers, resources, articles, tips, and
help for selecting a VoIP Solution, Today!
by: Roy King
Voice over Internet Protocol, also referred to as VoIP, IP Telephony, Internet
telephony, Broadband telephony, Broadband Phone and Voice over Broadband
is the convergence of voice conversations combined with the Internet
infrastructure or through any other IP-based network.
Businesses providing VoIP service are referred to as providers, and protocols
which are used to carry voice signals over the IP network are referred to as
Voice over IP or VoIP protocols.
In 1973 Network Voice Protocol was invented for the service providers. Apparent
cost savings are achieved by utilizing a single network to carry voice and data.
VoIP to VoIP phone calls usually are at no charge, while VoIP to PSTN (public
switched telephone networks), may have a cost attached to the VoIP user.
Presently, a VoIP solution will route your calls through the public telephone
network via a gateway, with various solutions to making a call the most common
being the soft phone. ( A softphone is a dedicated software program to
accommodate telephone calls over the Internet everyday computer, instead of
using devoted hardware. A softphone is engineered to resemble a traditional
telephone, usually having the appearance of a traditional handset, a visual
display panel with keypads which the user can interact. A softphone is usually
used with a headset connected to the sound card of the PC, or with a USB
phone.)
Wifi
Wi-Fi is a wireless technology brand owned by the Wi-Fi Alliance with the
general purpose to improve the interoperability of wireless local area network
products based on the IEEE 802.11 standards.
Common applications for Wi-Fi include Internet and VoIP phone access,
gaming, and network connectivity for consumer electronics such as televisions,
DVD players, and digital cameras.
Wi-Fi allows LANs (A wireless LAN or WLAN is a wireless local area network,
which is the linking of two or more computers without using wires. WLAN utilizes
spread-spectrum or OFDM (802.11a) modulation technology based on radio
waves to enable communication between devices in a limited area, also known
as the basic service set. This provides users the mobility to move around within
a broad coverage area and still be connected to the network. For the home
user, wireless has become popular due to ease of installation, and location
freedom with the gaining popularity of laptops. Public businesses such as coffee
shops or malls have begun to offer wireless access to their customers; some are
even provided as a free service.) to be deployed without cabling for client
devices, typically reducing the costs of network deployment and expansion.
Areas where cables are prohibited, such as outdoor areas and historical
buildings, can host wireless LANs.
As of 2007 wireless network adapters are built into most modern laptops. The
cost of chipsets for Wi-Fi continues to drop, providing an economical networking
option now installed in many devices. Wi-Fi has become accepted in corporate
infrastructures, which also helps with the deployment of RFID (Radio-frequency
identification is an automatic identification method, relying on storing and
remotely retrieving data using devices called RFID tags or transponders. An
RFID tag is an object that can be applied to or incorporated into a product,
animal, or person for the purpose of identification using radiowaves. Some tags
can be read from several meters away and beyond the line of sight of the
reader.) technology that can piggyback on Wi-Fi.
Numerous brands of access points and client network interfaces are
inter-operable at a basic level of service. Wi-Fi is a global set of standards.
Unlike mobile telephones, any standard Wi-Fi device will work anywhere in the
world.
Wi-Fi is widely available in more than 250,000 public hotspots and tens of
millions of homes and corporate and university campuses worldwide. WPA is not
easily cracked if strong passwords are used and WPA2 encryption has no
known weaknesses.
Wi-Fi Protected Access (WPA and WPA2) is a class of systems to secure
wireless (Wi-Fi) computer networks. It was created in response to several
serious weaknesses researchers had found in the previous system, Wired
Equivalent Privacy (WEP). WPA implements the majority of the IEEE 802.11i
standard, and was intended as an intermediate measure to take the place of
WEP while 802.11i was prepared. WPA is designed to work with all wireless
network interface cards, but not necessarily with first generation wireless access
points.
New protocols for Quality of Service WMM (Wireless Multimedia Extensions)
(WME), also known as Wi-Fi Multimedia is a Wi-Fi Alliance interoperability
certification, based on the IEEE 802.11e draft standard. It provides basic
Quality of service (QoS) features to IEEE 802.11 networks. WMM prioritizes
traffic according to four AC (Access Categories) - voice, video, best effort,
and background. However, it does not provide guaranteed throughput. It is
suitable for simple applications that require QoS, such as Voice over IP (VoIP)
on Wi-Fi phones make Wi-Fi more suitable for latency-sensitive applications
such as voice and video, and power saving mechanisms (WMM Power Save)
improve battery operation.
A WiFi hard phone is assembled containing a small WiFi transceiver that
connects to a WiFi base station which transmits to a remote VoIP server.
Broadband phone service, offered through WiFi hot spots and high-speed
Internet service provide convenience for our on the go lifestyles. As WiFi
networking develops expect to see WiFi compatible cellular phones evolve to
make calling even more portable.
WiMAX, the Worldwide Interoperability for Microwave Access, is also a
telecommunications technology aimed at providing wireless data over long
distances in a variety of ways, from point-to-point links to full mobile cellular type
access. It is based on the IEEE 802.16 standard, which is also called Wireless
MAN. WiMAX allows a user, for example, to browse the Internet on a laptop
computer without physically connecting the laptop to a wall jack. The name
WiMAX was created by the WiMAX Forum, which was formed in June 2001 to
promote conformance and interoperability of the standard. The forum describes
WiMAX as "a standards-based technology enabling the delivery of last mile
wireless broadband access as an alternative to cable and DSL."
Today it is possibly to set up your laptop with a virtual soft-phone combined
with a WiFi connection to make calls from anywhere you can receive a high
speed Internet access. WiFi and WiMax may actually have a bright future for
solving the goals of conquering the digital divide.
Many new technologies are currently on drawings boards of telecommunication
engineers as you read this article. WiFi still remains the forerunner in wireless
technology and hopefully will provide us with advanced telecommunications
needed for a VoIP solution to take us into the future.
About the Author:
Roy King, is the editor for VoIP Solution Journal. Selecting VoIP Solution for
Home or Business. VoIP Solutions, providers, resources, articles, tips, and
help for selecting a VoIP Solution, Today!
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