IP Basics
A protocol is a set of guidelines or rules for use in various circumstances.
The term is used in etiquette, international relations, technology, and other
fields. In computing, a protocol is a standard that controls or enables
connection, communication, and data transfer between two devices.
Protocols may be implemented by hardware, software, or both.
Voice over Internet Protocol, also called VoIP, IP Telephony, Internet
Telephony, Broadband Telephony, Broadband Phone, and Voice over
Broadband is the routing of voice conversations over the Internet or
through any other IP-based network.
VoIP phone service works by taking a voice and converting it into data
packets that are then routed over a network, just like e-mail or data files.
Originally VoIP calls were made just between computers, but now they can
be made between a computer and an ordinary phone, or even between two
ordinary phones. VoIP can be used as a substitute for the traditional Public
Switched Telephone Network ("PSTN"), and it can also be used to connect
various branches of a company, as a substitute for expensive leased
telephone lines.
When VoIP is used instead of a traditional phone company, most providers
offer unlimited calling plans where you can call anywhere in the United
States and Canada, and talk as long as you like for one low monthly
charge. VoIP service providers often give away features such as voicemail
and Caller ID that traditional phone companies charge extra for.
International calls made with VoIP are very low when compared to
traditional phone companies, and may even be free.
Functionality
VoIP can facilitate tasks that may be more difficult to achieve with traditional
networks:
your VoIP phone with you on a trip, and wherever you connect to the
Internet, you can receive incoming calls.
Mobility
VoIP allows users to travel anywhere in the world and still make and receive
phone calls:
a user has a New York City phone number and is traveling in Europe
and someone calls the phone number, it will ring in Europe.
Conversely, if a call is made from Europe to New York City, it will be
treated as a local call. Of course, there must be a connection to the
Internet to make all of this possible.
cellphones.
exchange in parallel with the conversation, audio conferencing,
managing address books, etc.
(some of above from Wikipedia)
The term is used in etiquette, international relations, technology, and other
fields. In computing, a protocol is a standard that controls or enables
connection, communication, and data transfer between two devices.
Protocols may be implemented by hardware, software, or both.
Voice over Internet Protocol, also called VoIP, IP Telephony, Internet
Telephony, Broadband Telephony, Broadband Phone, and Voice over
Broadband is the routing of voice conversations over the Internet or
through any other IP-based network.
VoIP phone service works by taking a voice and converting it into data
packets that are then routed over a network, just like e-mail or data files.
Originally VoIP calls were made just between computers, but now they can
be made between a computer and an ordinary phone, or even between two
ordinary phones. VoIP can be used as a substitute for the traditional Public
Switched Telephone Network ("PSTN"), and it can also be used to connect
various branches of a company, as a substitute for expensive leased
telephone lines.
When VoIP is used instead of a traditional phone company, most providers
offer unlimited calling plans where you can call anywhere in the United
States and Canada, and talk as long as you like for one low monthly
charge. VoIP service providers often give away features such as voicemail
and Caller ID that traditional phone companies charge extra for.
International calls made with VoIP are very low when compared to
traditional phone companies, and may even be free.
Functionality
VoIP can facilitate tasks that may be more difficult to achieve with traditional
networks:
- Incoming phone calls can be automatically routed to your VoIP
your VoIP phone with you on a trip, and wherever you connect to the
Internet, you can receive incoming calls.
- Free phone numbers for use with VoIP are available in the USA, UK
- Call center agents using VoIP phones can work from anywhere a
Mobility
VoIP allows users to travel anywhere in the world and still make and receive
phone calls:
- Subscribers of phone-line replacement services can make and
a user has a New York City phone number and is traveling in Europe
and someone calls the phone number, it will ring in Europe.
Conversely, if a call is made from Europe to New York City, it will be
treated as a local call. Of course, there must be a connection to the
Internet to make all of this possible.
- Specialized mobile VoIP services enable people to use VoIP based
cellphones.
- VoIP phones can integrate with other services available over the
exchange in parallel with the conversation, audio conferencing,
managing address books, etc.
(some of above from Wikipedia)
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