From Traditional Landline to VoIP: “The Growth of Internet Telephony"
What is Internet Telephony?
Internet telephony refers to the use of the internet to transmit voice, fax, or other forms of communication. It grants users to make phone calls using a broadband internet connection rather than a traditional phone line.
There are several types of internet telephony, including:
Voice over Internet Protocol (VoIP):
· This is the most common form of internet telephony, which allows users to make phone calls using a broadband internet connection.
· VoIP converts analog audio signals into digital data, which can be transmitted over the internet.
Video conferencing:
· This type of internet telephony allows users to have real-time conversations with others using audio and video.
· It is often used for remote meetings or for keeping in touch with family and friends.
WebRTC:
· WebRTC (Web Real-Time Communication) is a technology that enables web browsers to support real-time communication without the need for additional software or plugins.
· It is often used for video conferencing and other real-time communication applications.
How internet telephony works
Internet Telephony works by transforming analog audio signals into Digital Data that are communicated over the Internet.
Many Technologies used to help internet telephony such as:
VOIP - VoIP converts analog audio signals into digital data, which are then sent over the internet to the recipient.
SIP (Session Initiation Protocol) - It used to Initiate, Improve and Stop voice and video call and sessions over the internet.
RTP (Real time transport Protocol) - It is used to transmit realtime data such as autio and video, Over the internet.
To make a phone call using internet telephony, both the caller and the receiver need to have internet connections and internet telephony software or hardware. The caller initiates the call by dialing the receiver phone number or SIP address, and the call is routed over the internet to the recipient. The recipient's internet telephony software or hardware converts the digital data back into analog audio, allowing them to hear the caller's voice through their phone or computer.
Advantages of internet telephony
Cost Saving: Internet telephony can be much cheaper than traditional phone systems, especially for long distance or international calls.
Mobility: With internet telephony, you can make and receive calls from any device with an internet connection, allowing you to work remotely or on the go.
Scalability: Internet telephony systems are easily scalable, so you can add or remove users as needed without incurring additional costs.
Integration: VoIP systems can easily integrate with other business tools, such as customer relationship management (CRM) software and calendars.
Features: VoIP systems often come with advanced features, such as call forwarding, voicemail, and conferencing, at no extra cost.
Reliability: Internet telephony is generally reliable, with call quality depending on the strength of your internet connection.
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